| All Patents in class 173/93.7 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,054,687 | Mar. 04, 1913 | T.H. Grigg | Wrench | wrench handle components |
| 1,743,505 | Jan. 14, 1930 | E. Turgeon | Screwdriver | screwdrivers |
| 1,761,156 | Jun. 03, 1930 | F.R. Rosan | Turning Tool Applicable to Remove Refractory Screws | screw extractors |
| 1,941,565 | Jan. 02, 1934 | S. Mandl | Socket Wrench | wrenches |
| 2,507,167 | May 09, 1950 | D.R. Lemmerman | Rotary Impact Type Turning Tool | screw extractors |
| 2,514,732 | Jul. 11, 1950 | E.T. Thompsonville trust Co., E. Turgeon | Impact Screwdriver | screwdrivers |
| 2,543,441 | Feb. 27, 1951 | G.F. Grummy | Impact Screwdriver | screwdrivers |
