RB

Richard J. Birch

Overall (All Time): #2,232,871 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6328338 Page marking system and method Lawrence M. Sherman, Brian S. Rosenbloom 2001-12-11
5048297 Method and apparatus for controlling the movement of a free, gas-driven displacer in a cooling engine Domenico S. Sarcia 1991-09-17