DR

Dick Rolfe

SH Shape: 1 patents #74 of 150Top 50%
Overall (All Time): #3,887,517 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5056735 Video cassette integral actuator/reel lock/spring John A. Gelardi, Alan Lowry, Craig Lovecky 1991-10-15