Stephen D. Marks — 1 Patent at Tandy

Stephen D. Marks has been granted 1 US patent while listed as an inventor at Tandy. All of these patents were granted in 1989. Stephen D. Marks ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephen D. Marks in San Jose, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4866423	Overhead sprinkler head proximity alarm	Howard Bishop Anderson, Randall W. Cook	1989-09-12	$9,409,000

Stephen D. Marks — 1 Patent

Issued Patents All Time

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