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USPTO Patent Rankings Data through Dec 31, 2025
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William J. Mark — 6 Patents

ZEZenith Electronics: 4 patents #84 of 411Top 25%
Glenview, IL: #172 of 857 inventorsTop 25%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William J. Mark has been granted 6 US patents while listed as an inventor at Zenith Electronics. The first was granted in 1985 and the most recent in May 2007. William J. Mark ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William J. Mark in Glenview, IL, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7213632 Portable folding room dividing partition Steven D. Goldstein, Michael Edwards 2007-05-08
5828190 G1 High frequency drive for color cathode ray tubes 1998-10-27
4739403 Digital horizontal processor 1988-04-19 $1,571,000
4727336 Wide band low power loss video amplifier 1988-02-23 $5,605,000
4671500 Double acting clamp 1987-06-09
4514764 Video monitor with automatic switching between RF and baseband video signals Arthur N. Borg 1985-04-30 $1,898,000