| Patents for none listed |
Patents 2326 -
2340
of 3139
      |
| Number | Date | Patentee | Title | Type |
| 2,778,401 | Jan. 22, 1957 | E.D. Wilkerson | Camber Correcting Method and Means | |
| DE-1,739,223 | Feb. 07, 1957 | n. listed | Gauge for Measuring Screw Threads | thread gages |
| 2,782,513 | Feb. 26, 1957 | R.C. Brandt | Geometrical Instruments | |
| 2,787,054 | Apr. 02, 1957 | G.E. Franck | Readily Adjustable Tube Cutting Means | tubing cutters |
| 2,788,519 | Apr. 09, 1957 | W.D. Caldwell | Position Indicating Device | measurement gauges |
| GB-772,118 | Apr. 10, 1957 | n. listed | Improvements in Wire Holder for Three-Wire Method of Measuring Threads | thread gages |
| 2,789,429 | Apr. 23, 1957 | J.B. Bidwell | Surface Gage Extension Probe | measurement gauges |
| 2,792,733 | May 21, 1957 | E.H. Adams, G.M. Walraven | Pre-Set Torque Indicating Wrench | torque wrenches |
| 2,793,552 | May 28, 1957 | F.G. Clark | Magnetic Socket Wrench Having Spaced Pole Pieces | socket wrenches |
| 2,795,987 | Jun. 18, 1957 | G.F. Schlote | Spiral-Drive Slidable Jaw Wrench | quick adjust wrenches |
| 2,797,600 | Jul. 02, 1957 | B.K. Beaver | Ratchet Type Movable Jaw Wrench | ratchet wrenches |
| 2,797,817 | Jul. 02, 1957 | A.E. Schugarman | Display and Storage Rack | |
| 2,799,195 | Jul. 16, 1957 | T.R. Coughtrie | Toggle Release Means For A Pivoted Jaw Wrench | locking pliers |
| 2,800,821 | Jul. 30, 1957 | E.M. Frucella | Angularly Adjustable, Reversible Ratchet Wrench | angle adjustable wrenches |
| 2,800,823 | Jul. 30, 1957 | H. Tugend | Plier-Type Wrench | locking pliers |
