| Patents Granted on 1952-??-?? |
Patents 1 -
15
of 418
      |
| Number | Date | Patentee | Title | Type |
| 2,580,445 | Jan. 01, 1952 | J. Longworth | Depth of Groove Gauge | measurement gauges |
| 2,580,497 | Jan. 01, 1952 | W.F. Zimmermann | Crank Shaper Ram and Clamp | metal shapers |
| 2,580,812 | Jan. 01, 1952 | J. McEwan | Saw holder | saw sharpening machines |
| 2,581,001 | Jan. 01, 1952 | E.S. Cornell | Taper gauge | taper gauges |
| 2,581,473 | Jan. 08, 1952 | A. Eisele | Combination Offset and Straight Internal Bore Gauge | measurement gauges |
| 2,581,598 | Jan. 08, 1952 | C.E. Parker | Sheet handling apparatus | |
| 2,581,599 | Jan. 08, 1952 | C.E. Parker | Sheet handling apparatus | |
| 2,581,609 | Jan. 08, 1952 | L. Small | Diamond tool | grinder dressers |
| 2,581,683 | Jan. 08, 1952 | J. McEwan | Variable-speed drive | metalworking power transmission |
| 2,581,694 | Jan. 08, 1952 | K.W. Nebel | Metal piercing and cutting shear | metal shearing machines |
| 2,581,702 | Jan. 08, 1952 | L. Quijada | Work turning and threading machine | pipe threading machines |
| 2,581,958 | Jan. 08, 1952 | F.S. Kingston | Antifriction bearing | motor bearings |
| 2,582,444 | Jan. 15, 1952 | D.C. Lucht | Cam actuated slidable jaw wrench | self-adjust wrenches |
| 2,582,524 | Jan. 15, 1952 | J.Y. Blazek | Reamer and method of producing same | reamers |
| 2,582,525 | Jan. 15, 1952 | S.S. Brown | Seal for motor shaft with permanently lubricated bearings | electric motors |
