| Patents Granted on 1952-??-?? |
Patents 436 -
450
of 468
      |
| Number | Date | Patentee | Title | Type |
| 2,622,217 | Dec. 16, 1952 | G.R. Anderson, Jr. | Single Phase Winding | induction motors |
| 2,622,232 | Dec. 16, 1952 | S.S. Brown | Electric motor and method of operation | electric motors |
| D168,467 | Dec. 23, 1952 | E.J. Majewski | Portable power-operated saw | handheld circular saws |
| 2,622,375 | Dec. 23, 1952 | W. Trible, F.S. Haas | Grinding Machine | surface grinders |
| 2,622,376 | Dec. 23, 1952 | A.H. Dall | Grinding Machine | grinding machines |
| 2,622,454 | Dec. 23, 1952 | C.A. Boehm | Auxiliary transmission mechanism for milling machines | milling machines |
| 2,622,457 | Dec. 23, 1952 | E.W. Buck | Portable magnetic-base drill | drill presses |
| 2,622,461 | Dec. 23, 1952 | S.B. Valiulis | Wire stripper | wire strippers |
| 2,622,464 | Dec. 23, 1952 | W.V. Daugherty | Pivoted Hand Tool | pliers |
| 2,622,484 | Dec. 23, 1952 | D.M. Birrell | Worm Gear Cutting Attachment for Milling Machines | milling machine accessories |
| 2,622,485 | Dec. 23, 1952 | M.E. Martellotti | Automatic Line Tracking Machine | profiling machines |
| 2,622,486 | Dec. 23, 1952 | H. Fritschi, E.G. Roehm | Spindle Transmission and Positioning Mechanism | metalworking machine mechanisms |
| 2,622,487 | Dec. 23, 1952 | R.A. Schultz | Indexing table | indexers and dividers |
| 2,622,489 | Dec. 23, 1952 | E.G. Roehm | Tracer Control Mechanism | milling machines |
| 2,622,537 | Dec. 23, 1952 | R.D. Wortendyke | Pumping Mechanism | coolant apparatus |
