William Hay — 3 Patents at Durel

William Hay has been granted 3 US patents while listed as an inventor at Durel. The first was granted in 1997 and the most recent in August 2011. William Hay ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William Hay in Gilbert, AZ, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7996934	Apparatus for transferring a person from a wheelchair to a fixed seat	—	2011-08-16
5711594	Tubular EL lamp	—	1998-01-27
5697322	Analog display having electroluminescent pointer	Douglas B. Olson, Stephen F. Hamann, William C. Sherbrooke	1997-12-16

William Hay — 3 Patents

Issued Patents All Time

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