| All Patents in class 81/463 |
Patents 1 -
8
of 8
      |
| 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 |
 | 2,484,765 | Oct. 11, 1949 | E. Turgeon | Impact Screwdriver |
 | 2,543,441 | Feb. 27, 1951 | G.F. Crummey | Impact Screwdriver |
 | 3,366,187 | Jan. 30, 1968 | A.L. Von Tersch | Impact Driver |
 | 3,791,012 | Feb. 12, 1974 | A.S. Jenkin | Traction Applying Tool |
 | 7,089,833 | Aug. 15, 2006 | G.R. Hamann, J.E. Hamann | Air Actuated Pneumatic Impact Wrench Lug Bolt Tool |
