| Patents for William E. Shupe |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 906,902 | Dec. 15, 1908 | G.O. Leopold | Speed-change gear | eggbeater drills |
| 952,320 | Mar. 15, 1910 | T.J. Fegley | North Bros. version of the Millers Falls "protected spring" design. | drill accessories |
| 967,055 | Aug. 09, 1910 | J.T. Pugh | Auger-Bit | auger bits |
| 977,957 | Dec. 06, 1910 | G.O. Leopold | Ratchet Mechanism for Screw-Drivers, &c. | ratcheting screwdrivers |
| 979,939 | Dec. 27, 1910 | G.O. Leopold, T.J. Fegley | Spiral tool-driver | hand drills |
| 979,967 | Dec. 27, 1910 | R.J. Koeberle | Saw-Clamp | saw vises |
| 1,008,164 | Nov. 07, 1911 | G.O. Leopold | Ratchet Screw-Driver | ratcheting screwdrivers |
| 1,021,538 | Mar. 26, 1912 | G.O. Leopold | Gearing | eggbeater drills |
| 1,023,023 | Apr. 09, 1912 | G.O. Leopold | Gearing | hand drills |
| D43,803 | Apr. 01, 1913 | G.O. Leopold | Design for a frame of bench-drills | drill presses |
| 1,059,132 | Apr. 15, 1913 | G.O. Leopold, T.J. Fegley | Bit storage handle for the North Bros. (e.g. 1530 & 1431) eggbeater drills. | drill accessories |
| D44,573 | Aug. 26, 1913 | G.O. Leopold | Design for a Screw-Driver | screwdrivers |
| 1,087,794 | Feb. 17, 1914 | G.O. Leopold | Bench-drill | drill presses |
| 1,103,782 | Jul. 14, 1914 | G.O. Leopold | Bench-drill | drill presses |
| 1,236,848 | Aug. 14, 1917 | G.O. Leopold | Alternate driving means for the North Bros. 1445 drill | hand drills |
