Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederic Stack — 1 Patent

Buchans, CA: #21 of 51 inventorsTop 45%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frederic Stack has been granted 1 US patent. All of these patents were granted in 1992. Frederic Stack ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederic Stack in Buchans, NL, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5167203 Pet safety restraint David Scott, Coleman Stack 1992-12-01