PR

Paul Rumpza

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,818,100 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5189586 Lanced shutter tab for disk cartridges James J. Wulfing 1993-02-23