| Patents Granted on 1968-03-?? |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 3,371,394 | Mar. 05, 1968 | D. Hubert | Cartridge type holder | milling machine cutters |
| 3,371,559 | Mar. 05, 1968 | J.A. Scholl | Means for automatic tool feed and retraction control of boring and facing heads | boring heads |
| 3,371,562 | Mar. 05, 1968 | B.F. Kelley | Grapple | self-adjust wrenches |
| 3,372,620 | Mar. 12, 1968 | C.F. Stuemer | Interference Detection Mechanism for Machine Tools | broaching machines |
| 3,372,622 | Mar. 12, 1968 | E.P. Bullard, III | Multiple Pressure Responsive Control Apparatus | |
| 3,372,951 | Mar. 12, 1968 | R.M. McCash | Tool Adapter for Reciprocating Drawbolt Connection | milling machines |
| 3,373,449 | Mar. 19, 1968 | E.R. Rusnok | Automatic valve actuated urinal | |
| 3,373,637 | Mar. 19, 1968 | H.N. Behnke | Multiple purpose portable rotary drive unit | handheld power tools |
| 3,373,641 | Mar. 19, 1968 | O. Hermann | Chuck Construction | metal lathe chucks |
| 3,373,666 | Mar. 19, 1968 | C.P. Crompton | Batch delivery mechanism | |
| 3,373,673 | Mar. 19, 1968 | C.C. Craig | Film Holder | film and plate holders |
| 3,374,418 | Mar. 19, 1968 | R. Zechlin, R.M. Henderson | Alternating Current Voltage Regulator Including System No-Load to Full-Load Compensating Means | voltage regulators |
| 3,374,815 | Mar. 26, 1968 | L.L. Anderson, Jr., F. Drugan | Blade for handheld jigsaw | sawblades |
| 3,374,816 | Mar. 26, 1968 | J.A. Alich | Bandsaw guide | bandsaws |
