DS

Donald R. Spaman

RE Raymond Engineering: 2 patents #9 of 30Top 30%
📍 Middletown, CT: #208 of 449 inventorsTop 50%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,330,784 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4847727 Magnetic memory disc purge erase apparatus — 1989-07-11
4832283 Tape transport cartridge Arthur J. Treff 1989-05-23