| Patents for none listed |
Patents 2266 -
2280
of 3328
      |
| 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 |
| 2,581,473 | Jan. 08, 1952 | A. Eisele | Combination Offset and Straight Internal Bore Gauge | measurement gauges |
| 2,582,640 | Jan. 15, 1952 | C. Maddox | Castrating Band Applying Tool | livestock emasculators |
| 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 |
