| Patents for Joseph C. Drader |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
| | 1,753,778 | Apr. 08, 1930 | J.C. Drader | Rack |
| | 1,835,476 | Dec. 08, 1931 | J.C. Drader | Grinding Fixture |
| | 1,898,084 | Feb. 21, 1933 | J.C. Drader | Lead Testing Machine |
| | 1,989,792 | Feb. 05, 1935 | J.C. Drader | Automatic Machine Tool |
| | 2,006,161 | Jun. 25, 1935 | J.C. Drader | Checking Fixture |
| | 2,046,506 | Jul. 07, 1936 | J.C. Drader | Lead Testing Machine for Spiral Gears |
| | 2,049,490 | Aug. 04, 1936 | J.C. Drader | Grinding Fixture |
| | 2,049,491 | Aug. 04, 1936 | H.Q. Munn, J.C. Drader | Method of Forming Hobs for Bevel Gears |
| | 2,049,492 | Aug. 04, 1936 | H.Q. Munn, J.C. Drader | Method of Machining Bevel Gears |
| | 2,164,642 | Jul. 04, 1939 | J.C. Drader | Method and Means for Constructing Gear Finishing Tools |
