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| All Patents in class 81/467 | |||||
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| Number | Date | Patentee | Title | Type | |
| 644,079 | Feb. 27, 1900 | E. Huber | Attachment for tightening nuts | drill press accessories | |
| 2,184,394 | Dec. 26, 1939 | W. Moretti | Power driven screw gun with clutch | handheld power tools | |
| 3,487,732 | Jan. 06, 1970 | K.R. Larson | Preset Adjustable Torque Measuring Devices of the Braille Type | torque wrenches | |
| 7,089,833 | Aug. 15, 2006 | G.R. Hamann, J.E. Hamann | Air Actuated Pneumatic Impact Wrench Lug Bolt Tool | pneumatic tools | |