Inventor
HAAS DAVID J
US129 patents
⚠️ This page may combine multiple inventors who share the name “HAAS DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEMTEC INC
32 patentsUS5785354AJul 28, 1998
Self-expiring identification band
TEMTEC INC171 citations99
US5719828AFeb 17, 1998
Patterned indicators
TEMTEC INC153 citations99
US5602804AFeb 11, 1997
Long term rapid color changing time indicator
TEMTEC INC153 citations99
US5446705AAug 29, 1995
Time indicator having discrete adhesive
TEMTEC INC214 citations99
USD477359SJul 15, 2003
Security pass
TEMTEC INC88 citations98
USD474235SMay 6, 2003
Security pass
TEMTEC INC91 citations98
US6452873B1Sep 17, 2002
Visually changing paper time indicator employing controllable barrier
TEMTEC INC124 citations98
US5930206AJul 27, 1999
Time indicator
TEMTEC INC115 citations98
US5862101AJan 19, 1999
Patterned indicators
TEMTEC INC109 citations98
US5822280AOct 13, 1998
Long term rapid color changing time indicator employing dye absorbing layer
TEMTEC INC101 citations98
US5699326ADec 16, 1997
Time indicator
TEMTEC INC104 citations98
US5640742AJun 24, 1997
Spring badge clip
TEMTEC INC114 citations98
US5633835AMay 27, 1997
Long term rapid color changing time indicator
TEMTEC INC109 citations98
US6446865B1Sep 10, 2002
Reflective badge security identification system
TEMTEC INC86 citations97
USD467272SDec 17, 2002
Security pass
TEMTEC INC67 citations96
USD467271SDec 17, 2002
Security pass
TEMTEC INC69 citations96
USD466929SDec 10, 2002
Security pass
TEMTEC INC76 citations96
US5957458ASep 28, 1999
Substrate with hidden images and method of making such images appear
TEMTEC INC65 citations96
US5873606AFeb 23, 1999
Convention badge
TEMTEC INC79 citations96
USD394675SMay 26, 1998
Card badge
TEMTEC INC57 citations96
US5715215AFeb 3, 1998
Convention badge
TEMTEC INC63 citations96
USD386793SNov 25, 1997
Card badge
TEMTEC INC49 citations96
US6295252B1Sep 25, 2001
Fixating image in migrating dye indicator
TEMTEC INC65 citations95
US6197396B1Mar 6, 2001
Identification card strip assembly
TEMTEC INC136 citations95
US6086971AJul 11, 2000
Identification card strip and ribbon assembly
TEMTEC INC84 citations95
US5947369ASep 7, 1999
Electronic time badge
TEMTEC INC88 citations94
US6513710B1Feb 4, 2003
Trade show attendee control, lead collection and event control system
TEMTEC INC45 citations93
USD468769SJan 14, 2003
Security pass
TEMTEC INC21 citations93
USD467965SDec 31, 2002
Security pass
TEMTEC INC23 citations93
USD467269SDec 17, 2002
Laser printable card badge sheet
TEMTEC INC31 citations93
USD460783SJul 23, 2002
Laser printable card badge sheet
TEMTEC INC22 citations93
US5755175AMay 26, 1998
Visible seal for containers
TEMTEC INC26 citations93
HAAS DAVID J
5 patentsUS4903254AFeb 20, 1990
Time indicator enhancement method
HAAS DAVID J213 citations99
US4925716AMay 15, 1990
Pin feed badge
HAAS DAVID J66 citations96
USD653286SJan 31, 2012
Laser printable card badge sheet
HAAS DAVID J24 citations93
US4779120AOct 18, 1988
Light sensitive validating identification badge system
HAAS DAVID J33 citations93
US4432630AFeb 21, 1984
Light sensitive validating identification badge system
HAAS DAVID J54 citations93
ALLEGRO MICROSYSTEMS INC
2 patentsUS8350563B2Jan 8, 2013
Magnetic field sensor and method used in a magnetic field sensor that adjusts a sensitivity and/or an offset over temperature
ALLEGRO MICROSYSTEMS INC45 citations98
US7936144B2May 3, 2011
Self-calibration algorithms in a small motor driver IC with an integrated position sensor
ALLEGRO MICROSYSTEMS INC93 citations98
PHILIPS CORP
2 patentsALLEGRO MICROSYSTEMS LLC
2 patentsUS NAVY
2 patentsAMERICAN NATIONAL CAN CO
1 patentHAAS SANDRA F
1 patentCUMMINGS JOHN
1 patentTemtec
1 patentS J A TRUST
1 patentShowing the top 50 of 129 patents by PatentIndex Score.