Inventor · disambiguated record
David B. Wallace
Also filed as: WALLACE DAVID · WALLACE DAVID B · WALLACE DAVID BARRETT
38 granted patents·3 pending applications·4,173 citations·filing 1982–2020
99Inventor score
Files withMICROFAB TECH INC15COMPAQ COMPUTER CORP14J P DONMOYER INC4WALLACE DAVID BARRETT2ABBOTT LAB1
Top patents by PatentIndex Score
41 records- 0199US5736314AInline thermo-cyclerMICROFAB TECH INC·Filed 1995·Granted Apr 7, 1998·681 cites·14 claims
- 0298US5658802AMethod and apparatus for making miniaturized diagnostic arraysMICROFAB TECH INC·Filed 1995·Granted Aug 19, 1997·483 cites·29 claims
- 0398US4877745AApparatus and process for reagent fluid dispensing and printingABBOTT LAB·Filed 1989·Granted Oct 31, 1989·394 cites·18 claims
- 0497US6390453B1Method and apparatus for delivery of fragrances and vapors to the noseMICROFAB TECH INC·Filed 2001·Granted May 21, 2002·253 cites·40 claims
- 0597US6334980B1Flexible apparatus with ablation formed chamber(s) for conducting bio-chemical analysesMICROFAB TECH INC·Filed 1998·Granted Jan 1, 2002·233 cites·53 claims
- 0696US6672129B1Method for calibrating a sensor for measuring concentration of odorsMICROFAB TECH INC·Filed 2002·Granted Jan 6, 2004·134 cites·8 claims
- 0796US5849208AMaking apparatus for conducting biochemical analysesMICROFAB TECHNOOLOGIES INC·Filed 1995·Granted Dec 15, 1998·322 cites·13 claims
- 0896US5229016AMethod and apparatus for dispensing spherical-shaped quantities of liquid solderMICROFAB TECH INC·Filed 1991·Granted Jul 20, 1993·150 cites·34 claims
- 0995US5235352AHigh density ink jet printheadCOMPAQ COMPUTER CORP·Filed 1991·Granted Aug 10, 1993·126 cites·16 claims
- 1094US6325475B1Devices for presenting airborne materials to the noseMICROFAB TECH INC·Filed 1997·Granted Dec 4, 2001·306 cites·46 claims
- 1192US10582989B2Oral hygiene deviceWALLACE DAVID BARRETT·Filed 2016·Granted Mar 10, 2020·7 cites·20 claims
- 1292US4812856AMethod and apparatus for dispensing a fluid with dispersed particles thereinMICROFAB TECH INC·Filed 1987·Granted Mar 14, 1989·62 cites·14 claims
- 1391US4490729AInk jet printerMEAD CORP·Filed 1982·Granted Dec 25, 1984·51 cites·20 claims
- 1490US5581286AMulti-channel array actuation system for an ink jet printheadCOMPAQ COMPUTER CORP·Filed 1995·Granted Dec 3, 1996·81 cites·14 claims
- 1589US5772106APrinthead for liquid metals and method of useMICROFAB TECH INC·Filed 1995·Granted Jun 30, 1998·89 cites·31 claims
- 1687US5227813ASidewall actuator for a high density ink jet printheadCOMPAQ COMPUTER CORP·Filed 1991·Granted Jul 13, 1993·64 cites·26 claims
- 1786US6029896AMethod of drop size modulation with extended transition time waveformMICROFAB TECH INC·Filed 1997·Granted Feb 29, 2000·90 cites·31 claims
- 1884US5643353AControlling depoling and aging of piezoelectric transducersMICROFAB TECH INC·Filed 1994·Granted Jul 1, 1997·47 cites·23 claims
- 1984US5415679AMethods and apparatus for forming microdroplets of liquids at elevated temperaturesMICROFAB TECH INC·Filed 1994·Granted May 16, 1995·57 cites·15 claims
- 2082US5461403ADroplet volume modulation techniques for ink jet printheadsCOMPAQ COMPUTER CORP·Filed 1993·Granted Oct 24, 1995·47 cites·21 claims
- 2177US6334851B1Method for collecting interstitial fluid from the skinMICROFAB TECH INC·Filed 2000·Granted Jan 1, 2002·78 cites·13 claims
- 2276US7228199B2Bulk inventory network systemJ P DONMOYER INC·Filed 2002·Granted Jun 5, 2007·15 cites·3 claims
- 2374US5721123AMethods and apparatus for direct heating of biological materialMICROFAB TECHNOLOGY INC·Filed 1996·Granted Feb 24, 1998·111 cites·12 claims
- 2469US6338715B1Digital olfactometer and method for testing olfactory thresholdsMICROFAB TECH INC·Filed 2000·Granted Jan 15, 2002·58 cites·10 claims
- 2569US5402162AIntegrated multi-color ink jet printheadCOMPAQ COMPUTER CORP·Filed 1993·Granted Mar 28, 1995·29 cites·16 claims
- 2669US5400064AHigh density ink jet printhead with double-U channel actuatorCOMPAQ COMPUTER CORP·Filed 1992·Granted Mar 21, 1995·26 cites·21 claims
- 2768US5436648ASwitched digital drive system for an ink jet printheadCOMPAQ COMPUTER CORP·Filed 1993·Granted Jul 25, 1995·23 cites·18 claims
- 2868US5433809AMethod of manufacturing a high density ink jet printheadCOMPAQ COMPUTER CORP·Filed 1993·Granted Jul 18, 1995·20 cites·12 claims
- 2966US11510764B2Oral hygiene deviceWALLACE DAVID BARRETT·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 3066US7092897B2Bulk inventory network systemJ P DONMOYER INC·Filed 2004·Granted Aug 15, 2006·7 cites·15 claims
- 3165US5373314AInk jet print headCOMPAQ COMPUTER CORP·Filed 1992·Granted Dec 13, 1994·22 cites·26 claims
- 3260US2007135955A1Bulk inventory network systemJ P DONMOYER INC·Filed 2006·Application pending·0 cites
- 3359US5406319AEnhanced U type ink jet printheadsCOMPAQ COMPUTER CORP·Filed 1993·Granted Apr 11, 1995·13 cites·17 claims
- 3450US5554247AMethod of manufacturing a high density ink jet printhead arrayCOMPAQ COMPUTER CORP·Filed 1995·Granted Sep 10, 1996·10 cites·27 claims
- 3549US6620283B1Method for fabricating laminated carrier for collecting interstitial fluid from the skinMICROFAB TECH INC·Filed 2001·Granted Sep 16, 2003·2 cites·9 claims
- 3649US6366829B1Bulk inventory network system (BINS)J P DONMOYER INC·Filed 1998·Granted Apr 2, 2002·58 cites·16 claims
- 3749US6170930B1Method for producing gradient tonal representation and a printhead for producing the sameCOMPAQ COMPUTER CORP·Filed 1997·Granted Jan 9, 2001·13 cites·23 claims
- 3847US5521618ADual element switched digital drive system for an ink jet printheadCOMPAQ COMPUTER CORP·Filed 1993·Granted May 28, 1996·8 cites·18 claims
- 3942US2007069891A1Child locatorWALLACE DAVID B·Filed 2005·Application pending·0 cites
- 4041US2018338530A1Systems involving vapor-producing devicesWALLACE DAVID·Filed 2018·Application pending·0 cites
- 4138US5621442AEnhanced UU type ink jet printheadsCOMPAQ COMPUTER CORP·Filed 1994·Granted Apr 15, 1997·3 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when David B. Wallace files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →