| Patents for Harry Pelphrey |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 2,057,970 | Oct. 20, 1936 | H. Pelphrey | Lead Checking Device for Globoidal Worms |
| | 2,076,742 | Apr. 13, 1937 | H. Pelphrey | Form Tool Fixture |
| | 2,087,957 | Jul. 27, 1937 | H. Pelphrey | Gear Checking Device |
| | 2,142,285 | Jan. 03, 1939 | H. Pelphrey | Hob and Method of Manufacture |
| | 2,335,606 | Nov. 30, 1943 | H. Pelphrey | Worm Gear Mounting |
| | 2,346,865 | Apr. 18, 1944 | H. Pelphrey | Method of Forming Gear Cutters |
| | 2,346,866 | Apr. 18, 1944 | H. Pelphrey | Fixture for forming Gear Cutters |
| | 2,346,867 | Apr. 18, 1944 | H. Pelphrey | Machine for Forming Gears |
| | 2,348,844 | May 16, 1944 | H. Pelphrey | Gear Shaving Hob |
| | 2,348,845 | May 16, 1944 | H. Pelphrey | Machine for Forming Gears |
