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