Roger W. Doering — 3 Patents at Digital Electronics

Roger W. Doering has been granted 3 US patents while listed as an inventor at Digital Electronics. The first was granted in 1989 and the most recent in January 1990. Roger W. Doering ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Roger W. Doering in Hayward, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4893120	Touch panel using modulated light	Colin F. McManus	1990-01-09	$200,000
4868912	Infrared touch panel	—	1989-09-19	$14,000
4812830	Touch panel display assembly	—	1989-03-14	$25,000

Roger W. Doering — 3 Patents

Issued Patents All Time

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