Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frank Karpala — 1 Patent

DIDiffracto: 1 patents #11 of 16Top 70%
Windsor, CA: #475 of 864 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frank Karpala has been granted 1 US patent while listed as an inventor at Diffracto. All of these patents were granted in 1998. Frank Karpala ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frank Karpala in Windsor, ON, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5793647 System and method for graphical image data acquistion, storage, and retrieval Omer L. Hageniers 1998-08-11