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John Sidvers — 2 Patents

Xerox: 2 patents #3,932 of 8,622Top 50%

Pleasanton, CA: #1,716 of 3,062 inventorsTop 60%

California: #187,151 of 386,348 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

John Sidvers has been granted 2 US patents while listed as an inventor at Xerox. The first was granted in 1983 and the most recent in March 1987. John Sidvers ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Sidvers in Pleasanton, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4650357	Universal ribbon cartridge	James G. Hume	1987-03-17	$17,888,000
4401394	Universal end of ribbon sensing system	James G. Hume, Harold S. Foster	1983-08-30	$6,061,000

John Sidvers — 2 Patents

Issued Patents All Time

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