JD

Jack Dinsdale

📍 Moose Lake, MN: #3 of 13 inventorsTop 25%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,347,479 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4580258 Phonograph Robert S. Berks 1986-04-01
4277070 Phonograph David W. Parkins, John P. Hardwick 1981-07-07