| 2673390 | Method for fastening workpieces to metal plates | |||
| 2584832 | Method of making a trunnion for aircraft landing gear | |||
| 2347411 | Method of locating holes in structural members | |||
| 2256812 | Method of fabricating joists | |||
| 2250617 | Welding | |||
| 2194272 | Welding | |||
| 1860980 | N/A | |||
| 1713314 | Method of securing wires together | |||
| 1288706 | N/A |