Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fred L. Engle — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Milwaukee, WI: #1,552 of 2,770 inventorsTop 60%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Fred L. Engle has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1997. Fred L. Engle ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Fred L. Engle in Milwaukee, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5685877 Mutiple tool laparoscopic surgical instrument Anthony C. Pagedas 1997-11-11