David Devillez — 3 Patents at Calcomp

David Devillez has been granted 3 US patents while listed as an inventor at Calcomp. The first was granted in 1989 and the most recent in April 2020. David Devillez ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Devillez in معلمی نژاد, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10623856	Signature tuning filters	James R. Conrey	2020-04-14
10375476	Signature tuning filters	James R. Conrey	2019-08-06
4850118	Humidity control for roll paper electrostatic plotters	—	1989-07-25	$475,000

David Devillez — 3 Patents

Issued Patents All Time

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