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FH

Frederick M. Hoffman — 2 Patents

Defiance, OH: #14 of 68 inventorsTop 25%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Frederick M. Hoffman has been granted 2 US patents. The first was granted in 1984 and the most recent in February 1986. Frederick M. Hoffman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Frederick M. Hoffman in Defiance, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4569422 Stiff leg attachment for wrecker — 1986-02-11
4487396 Scotch block attachment fitting — 1984-12-11

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