Roger Knopf — 2 Patents at Midtronics

Roger Knopf has been granted 2 US patents while listed as an inventor at Midtronics. The first was granted in 2005 and the most recent in August 2008. Roger Knopf ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roger Knopf in Elmhurst, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7408358	Electronic battery tester having a user interface to configure a printer	—	2008-08-05
6891378	Electronic battery tester	Kevin I. Bertness, Clark E. Smith	2005-05-10

Roger Knopf — 2 Patents

Issued Patents All Time

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