FK

Frank R. Keeler

AT American District Telegraph: 6 patents #6 of 49Top 15%
📍 Needham, MA: #227 of 796 inventorsTop 30%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #896,340 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D272530 Control panel H. Patrick Thornton, Hugh D. Dyer 1984-02-07
D272531 Control panel H. Patrick Thornton, Hugh D. Dyer 1984-02-07
D272433 Control panel Beth A. Trabucchi, Hugh D. Dyer 1984-01-31
D272434 Control panel H. Patrick Thornton, Hugh D. Dyer 1984-01-31
D272435 Control panel H. Patrick Thornton, Beth A. Trabucchi, Hugh D. Dyer 1984-01-31
D272436 Control panel Beth A. Trabucchi, Hugh D. Dyer 1984-01-31