DL

Dennis D. Long

SP Sperry: 1 patents #355 of 841Top 45%
📍 Pine City, MN: #12 of 21 inventorsTop 60%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,989,591 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4567438 SQUID Canister with conical coupling cavity Meir Gershenson, Mark Sweeny, David L. Fleming 1986-01-28