Robert Frank Hack — 2 Patents at General Motors

Robert Frank Hack has been granted 2 US patents while listed as an inventor at General Motors. The first was granted in 1995 and the most recent in March 1998. Robert Frank Hack ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Frank Hack in Bay City, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5729977	Exhaust collector for pneumatic tool	Brian Neil Zibble, Donald Phillip Block, Thomas Alan Haynes	1998-03-24
5478612	Decorative golf ball with magnet insert	Robert Hack	1995-12-26

Robert Frank Hack — 2 Patents

Issued Patents All Time

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