| Patents Granted on 1940-05-?? |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| D120,369 | May 07, 1940 | E.J. Witchger | Design for a case for tape measures | tape measures |
| 2,199,380 | May 07, 1940 | G.M. Walraven | Metal Panel Cutter | |
| 2,199,383 | May 07, 1940 | F.E. Aurand | Cutting tool | handheld power tools |
| 2,199,457 | May 07, 1940 | F.S. Haas | Centerless Grinder | grinding machines |
| 2,199,465 | May 07, 1940 | M.E. Martellotti | Pattern Controlled Milling Machine | milling machines |
| 2,199,491 | May 07, 1940 | D.H. Heynau | Friction gear transmission | industrial machine speed and direction changing mechanisms |
| 2,199,834 | May 07, 1940 | W.L. Groene, W.F. Groene | Feed Mechanism for Lathes | metalworking machine mechanisms |
| 2,199,932 | May 07, 1940 | O.B. Briggs, A.L. Lamb | Belt lacer | belts, belt lacing and belt lacers |
| 2,199,984 | May 07, 1940 | C.C. Chur | Wrench Set Holders | wrench set holders |
| 2,200,093 | May 07, 1940 | J.W. McNeil | Pipe Wrench | chain and strap wrenches |
| 2,200,133 | May 07, 1940 | S. Mandl | Method of and Means for Straightening Out Deformed Automobile Bodies and the Like | |
| 2,200,163 | May 07, 1940 | E.J. Dillman | Control Device | flow controls |
| FR-855,458 | May 11, 1940 | n. listed | Inner Linear Caliber Dial Type | bore gages |
| D120,489 | May 14, 1940 | A.J. Musselman | Musselman Universal Wrench | bicycle or pocket wrenches |
| 2,200,379 | May 14, 1940 | R.D. Williams | Utilization of Waste Engine Heat | exhaust mechanisms |
