| Patents for none listed |
Patents 2731 -
2745
of 3297
      |
| Number | Date | Patentee | Title | Type |
| 3,557,644 | Jan. 26, 1971 | G.W. Gregory | Squeeze Action Wrench | auxiliary levers on wrenches |
| 3,557,857 | Jan. 26, 1971 | H.F. Swenson | T-Nuts | milling machine accessories |
| 3,564,956 | Feb. 23, 1971 | B. Landen | Locking Plier Wrench | locking pliers |
| 3,566,516 | Mar. 02, 1971 | E.F. Drechsler, W.E. Brainard | Multi-spindleTool Changer | tool changers and storage mechanisms |
| 3,566,545 | Mar. 02, 1971 | C.F. Gasek | Tap Grinder | grinding fixtures |
| 3,571,912 | Mar. 23, 1971 | E.J. Kielma | Multi-tool Tool Changer | tool changers and storage mechanisms |
| 3,580,834 | May 25, 1971 | R.K. Sedgwick | Apparatus for Machining Metals Electrochemically | electrochemical machining |
| 3,581,354 | Jun. 01, 1971 | C.A. Usiskin | Instrument Clamp | dial indicator attachments |
| 3,585,704 | Jun. 22, 1971 | J.A. Schroeder | Clamping Device | locking pliers |
| 3,592,093 | Jul. 13, 1971 | A. Cantelli | Machines for Cutting Sheet Material, Sheet Metal and the Like | notching machines |
| 3,596,153 | Jul. 27, 1971 | E.E. Kirkham, W.E. Brainard | Positional Control System for a Machine Tool | machine tool controls |
| 3,599,297 | Aug. 17, 1971 | H.T. Stevens | Wire Grip | |
| 3,599,483 | Aug. 17, 1971 | K.R. Larson | Torque Wrench Translating Devices | torque wrenches |
| 3,602,998 | Sep. 07, 1971 | S. Matsumoto, K. Imai | Micrometer Head | micrometers |
| 3,606,806 | Sep. 21, 1971 | F. Patrick | Pliers | locking pliers |
