Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Kahle — 2 Patents

AEAcorn Engineering: 2 patents #26 of 42Top 65%
Laguna Niguel, CA: #482 of 1,027 inventorsTop 50%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. Kahle has been granted 2 US patents while listed as an inventor at Acorn Engineering. All of these patents were granted in 2003. Robert E. Kahle ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. Kahle in Laguna Niguel, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D474835 Sink having hidden drain David P. Molinaro 2003-05-20
D468815 Sink having hidden drain David P. Molinaro 2003-01-14