Roger A. Shiffman

Overall (All Time): #3,368,345 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D579055	Pinball machine	John A. Popadiuk, Marc Rosenberg, Chris Nicolella	2008-10-21