John E. Kopala — 2 Patents at Gnb Technologies

John E. Kopala has been granted 2 US patents while listed as an inventor at Gnb Technologies. The first was granted in 2000 and the most recent in February 2001. John E. Kopala ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Kopala in Elgin, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6183903	Plastic battery container having reduced end wall deflection	Kris H. Campbell	2001-02-06
6117588	Detachable battery handle assembly	Kris H. Campbell	2000-09-12

John E. Kopala — 2 Patents

Issued Patents All Time

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