| Patents Granted on 1952-??-?? |
Patents 421 -
435
of 468
      |
| Number | Date | Patentee | Title | Type |
| 2,620,695 | Dec. 09, 1952 | J.F. Eierman | Vise having displaceable screw segment for quick adjustment | woodworkers vises |
| 2,620,699 | Dec. 09, 1952 | W.R. Meyer | Crankshaft Chuck | metal lathe chucks |
| 2,620,710 | Dec. 09, 1952 | G.H. Schurger, K.F. Gallimore | Machine Tool | horizontal boring mills |
| 2,620,823 | Dec. 09, 1952 | R.D. Wortendyke, R.R. Adams | Tracer Valve Mechanism with Dashpot | hydraulic apparatus |
| 2,620,837 | Dec. 09, 1952 | L. Quick | Continuous gluing press | gluing machines |
| 2,620,896 | Dec. 09, 1952 | E.W. Davis | Centralized Oiling System | industrial machine lubrication |
| 2,621,106 | Dec. 09, 1952 | N.D. Abbey | Tube mill | tube cutting machines |
| 2,621,395 | Dec. 16, 1952 | C.E. Miller | Adjustable End Working Tool Mechanism for Lathes | metalworking machine mechanisms |
| 2,621,522 | Dec. 16, 1952 | C.E. Miller | Tool Slide Actuating Mechanism | metalworking machine mechanisms |
| 2,621,556 | Dec. 16, 1952 | J.A. Allan, R.O. Beardsley | Comparator for Testing Turbine Blades and the Like | comparators |
| 2,621,566 | Dec. 16, 1952 | O.W. Barker, J.B. Armitage | Machine Tool Structure and Transmission Mechanism | milling machines |
| 2,621,686 | Dec. 16, 1952 | J.E. Tompkins | Machine tool with motor-driven rotary and axially fed tools | radial arm saws |
| 2,621,717 | Dec. 16, 1952 | M. Garvin, D.M. Strauchen | Annular Torch Head for Flame Hardening Machines | flame hardening machines |
| 2,622,128 | Dec. 16, 1952 | P.E. Chapman | Growler type testing device | electrical devices |
| 2,622,215 | Dec. 16, 1952 | J.L. Baillargeon, J.J. Piekarski | Impulse coupling | ignition systems |
