David Durand has been granted 21 US patents while listed as an inventor at Key Technology . The first was granted in 1983 and the most recent in January 2018. David Durand ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list David Durand in Osceola, WI, US.
Patents per Year Patents granted per year, 1983 to 2018 Bar chart with a peak of 4 patents in 1991. peak 4 1983: 1 patents 1983 1986: 1 patents 1987: 3 patents 1987 1989: 1 patents 1990: 1 patents 1990 1991: 4 patents 1992: 1 patents 1992 1993: 3 patents 1994: 1 patents 1994 1996: 1 patents 1997: 1 patents 1997 2000: 1 patents 2004: 1 patents 2004 2018: 1 patents 2018
Issued Patents All Time
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Showing 1–21 of 21 patents
Patent # Title Co-Inventors Date
9873489 Marker-buoy deployment system Andrew L. De Kock 2018-01-23
6761393 Hinge system for motor vehicle boot lid comprising an articulated arm and a sliding arm Dominique Pastourel 2004-07-13
6039355 Daily planning calendar — 2000-03-21
5631191 Method for connecting a die to electrically conductive traces on a flexible lead-frame Chon Meng Wong , Roger A. Iannetta, Jr. 1997-05-20
5531020 Method of making subsurface electronic circuits Roger A. Iannetta, Jr. 1996-07-02
5326636 Assembly using electrically conductive cement David P. Vieau , Ang-Ling Chu , Tai S. Wei 1994-07-05
5183593 Electrically conductive cement David P. Vieau , Tai S. Wei , Ang-Ling Chu 1993-02-02
5180513 Shielded plastic enclosure to house electronic equipment — 1993-01-19
5180523 Electrically conductive cement containing agglomerate, flake and powder metal fillers David P. Vieau , Ang-Ling Chu , Tai S. Weiu 1993-01-19
5093038 Ultraviolet curable ink composition — 1992-03-03
5061551 Printed circuit board — 1991-10-29
5047260 Method for producing a shielded plastic enclosure to house electronic equipment — 1991-09-10
5036128 Printed circuit board — 1991-07-30
5006397 Printed circuit board — 1991-04-09
4960614 Printed circuit board — 1990-10-02
4863757 Printed circuit board — 1989-09-05
4670084 Apparatus for applying a dye image to a member — 1987-06-02
4668239 Method of applying a dye image to a plastic member — 1987-05-26
4656314 Printed circuit — 1987-04-07
4587155 Method of applying a dye image to a plastic member and the image bearing member thereby formed — 1986-05-06
4401686 Printed circuit and method of forming same — 1983-08-30