Dennis K. Hoffman — 2 Patents at Pro Patch Systems

Dennis K. Hoffman has been granted 2 US patents while listed as an inventor at Pro Patch Systems. The first was granted in 1990 and the most recent in August 1997. Dennis K. Hoffman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dennis K. Hoffman in Palatine, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5655477	Bird feeder	Esther R. Hoffman, Annemarie E. Hoffman	1997-08-12
4977718	Bent position retention flexible corner bead strip	—	1990-12-18

Dennis K. Hoffman — 2 Patents

Issued Patents All Time

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