| Patents Granted on 1940-05-21 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| CA-388,787 | May 21, 1940 | C.S. Weyandt | Feeder machine | reciprocating or vibrating electric motors |
| 2,201,182 | May 21, 1940 | E.E. Kelley | Machine Tool | metalworking machines |
| 2,201,234 | May 21, 1940 | W.C. Kress | Torque Indicating Wrench | torque wrenches |
| 2,201,420 | May 21, 1940 | H.M. Zschau | Disc sander for floors | handheld power sanders |
| 2,201,705 | May 21, 1940 | A.P. Stone | Ratchet Wrench | ratchet wrenches |
| 2,201,827 | May 21, 1940 | P.A. Froeschl, O.P. Froeschl | Ratchet Mechanism | ratchet wrenches |
| 2,201,918 | May 21, 1940 | W. Petersen | Wrench | locking pliers |
