DS

David I. Shafirkin

Overall (All Time): #2,306,396 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5080522 Device for locking and sealing of objects 1992-01-14
5024071 Coding assembly for locklike devices 1991-06-18