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| All Patents in class 173/205 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,053,744 | Feb. 18, 1913 | J.H. Philips | Spring Hammer | riveting tools | |
| 1,075,950 | Oct. 14, 1913 | R.R. Smith | Spring Hammer | riveting tools | |
| 2,185,471 | Jan. 02, 1940 | A.W. Mall | Power hammer | ||
| 2,753,965 | Jul. 10, 1956 | F.A. Kaman | Impact tools | ||
| 3,022,838 | Feb. 27, 1962 | W.F. Mitchell | Portable hammer | ||
| 3,363,700 | Jan. 16, 1968 | F.C. Bogusch, Jr. | Rotary and hammer drill | handheld power drills | |