Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Cooper — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Ulysses, KS: #3 of 17 inventorsTop 20%
Kansas: #3,210 of 12,005 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Cooper has been granted 3 US patents while listed as an inventor at Unknown. All of these patents were granted in 1989. Robert Cooper ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Cooper in Ulysses, KS, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4831321 Trickle jumping charging device 1989-05-16
4819977 Objectionable waste material retrieval and bagging device 1989-04-11
4796599 Portable cooking grill device 1989-01-10