| Patents for none listed |
Patents 2251 -
2265
of 3298
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 2,594,819 | Apr. 29, 1952 | A.W. Kelly, C.E. Stenson | Flange Rolling Mill | rolling mills |
| 2,596,266 | May 13, 1952 | W.J. McEnroe, Jr. | Slidable Slide Jaw Wrench | nut wrenches |
| 2,596,594 | May 13, 1952 | J.N. Petre | Chuck Feature of Tools of the Detachably Connected Shank and Handle Type | screwdriver mechanisms |
| CH-282,764 | May 15, 1952 | n. listed | Caliber Allowing To Measure Small Bores In Particular | bore gages |
| 2,598,165 | May 27, 1952 | J.C. Harvey | Universal Chuck | metal lathe accessories and attachments |
| 2,599,114 | Jun. 03, 1952 | C.B. Lober | Self-Adjusting Wrench | self-adjust wrenches |
| GB-673,146 | Jun. 04, 1952 | n. listed | Improvements in Dial Bore Gage for Gaging Small Bores | bore gages |
| 2,600,617 | Jun. 17, 1952 | C.F. Coates | Adjustable Crowfoot Wrench | screw adjust wrenches |
| 2,601,798 | Jul. 01, 1952 | H.U. Spence | Socket Wrench | socket wrenches |
| 2,601,799 | Jul. 01, 1952 | R.E. Garwood | Predetermined Torque Release Wrench | torque wrenches |
