| Patents for none listed |
Patents 2236 -
2250
of 3291
      |
| Number | Date | Patentee | Title | Type |
| 2,583,544 | Jan. 29, 1952 | C.I. Burdick | Reversible Ratchet Mechanism | ratchet wrenches |
| 2,583,617 | Jan. 29, 1952 | R.G. Knudsen, G.M. Walraven | Ratchet Control Mechanism | ratchet wrenches |
| 2,584,602 | Feb. 05, 1952 | P.C. McKee | Inside Gauge | measurement gauges |
| 2,585,328 | Feb. 12, 1952 | C. Johnson | Machine Tool Control | machine tool controls |
| 2,586,114 | Feb. 19, 1952 | B.W. Swanson | Screw Thread Comparator | comparators |
| GB-667,308 | Feb. 27, 1952 | J.K. Mertens | Improvements Relating To Clamping Devices | screw adjust wrenches |
| 2,589,511 | Mar. 18, 1952 | C.H. Redman | Release Mechanism for Toggle Actuated Type Wrenches | locking pliers |
| 2,590,750 | Mar. 25, 1952 | B. Burns | Releasing Means for Toggle-Actuated Wrench | locking pliers |
| 2,590,792 | Mar. 25, 1952 | C.R. Reneer | Slidable Slide Jaw Wrench | quick adjust wrenches |
| 2,591,452 | Apr. 01, 1952 | M. Maag | Internal Dimension Gauge | measurement gauges |
| 2,591,453 | Apr. 01, 1952 | M. Maag | External Caliper with Demountable Frame | measurement gauges |
| CA-482,530 | Apr. 15, 1952 | F.H. Kind | Appareil de Forage | boring and turning machines |
| 2,592,803 | Apr. 15, 1952 | J.G. Heim | Release And Adjusting Means For Vise-Type Wrenches | locking pliers |
| 2,592,807 | Apr. 15, 1952 | H.T. Jones | Locking Wrench And Plier | locking pliers |
| 2,594,669 | Apr. 29, 1952 | C.D. Marshall | Gear-Operated Wrench Construction | ratchet wrenches |
