Inventor · disambiguated record
Martin E. Dowzall
Also filed as: DOWZALL MARTIN · DOWZALL MARTIN E · DOWZALL MARTIN EDWARD
14 granted patents·1 pending application·270 citations·filing 1979–2001
93Inventor score
Files withESSELTE PENDAFLEX CORP5NIELSEN & BAINBRIDGE LLC3LETRASET CORP2DOWZALL MARTIN E1ESSELTE CORP1
Top patents by PatentIndex Score
15 records- 0188US5651627ANib conversion unitESSELTE CORP·Filed 1996·Granted Jul 29, 1997·43 cites·12 claims
- 0287US4440590AManufacture of signsLETRASET CORP·Filed 1982·Granted Apr 3, 1984·50 cites·18 claims
- 0382US5813787ANib units for pensESSELTE LETRASET LTD·Filed 1993·Granted Sep 29, 1998·46 cites·12 claims
- 0477US4941520AFormulating pasty materialsDOWZALL MARTIN E·Filed 1987·Granted Jul 17, 1990·37 cites·9 claims
- 0568US6393676B1Picture frame corner clampNIELSEN & BAINBRIDGE LLC·Filed 2000·Granted May 28, 2002·13 cites·13 claims
- 0662US6524413B1Preservation mat boardNIELSEN & BAINBRIDGE LLC·Filed 2000·Granted Feb 25, 2003·4 cites·26 claims
- 0760US4564414AMagnetic devices, apparatus for use in connection with dry transfer sheets incorporating such devices and sheets for use thereinESSELTE PENDAFLEX CORP·Filed 1983·Granted Jan 14, 1986·17 cites·12 claims
- 0852US6189252B1Picture frame corner connecting elementNIELSEN & BAINBRIDGE L L C·Filed 1999·Granted Feb 20, 2001·19 cites·4 claims
- 0949US4539759AApparatus for use with dry transfer lettering sheetsESSELTE PENDAFLEX CORP·Filed 1982·Granted Sep 10, 1985·10 cites·4 claims
- 1049US4364184AIndicia alignment deviceLETRASET CORP·Filed 1980·Granted Dec 21, 1982·11 cites·1 claims
- 1145US2001045042A1Quick framing systemNIELSEN & BAINBRIDGE LLC·Filed 2001·Application pending·0 cites
- 1241US4232452AApparatus for use in connection with dry transfer lettering and analogous sheetsLETRASET INTERNATIONAL LTD·Filed 1979·Granted Nov 11, 1980·6 cites·9 claims
- 1338US4731149AApparatus for use in spacing lettersESSELTE PENDAFLEX CORP·Filed 1985·Granted Mar 15, 1988·6 cites·6 claims
- 1437US4513511ALayout boardsESSELTE PENDAFLEX CORP·Filed 1982·Granted Apr 30, 1985·5 cites·7 claims
- 1533US4542039AProduction of colored legendsESSELTE PENDAFLEX CORP·Filed 1984·Granted Sep 17, 1985·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →