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| All Patents in class 173/206 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,024,026 | Apr. 23, 1912 | G.H. Rowe | Electromechanical device | impact chisels and drills | |
| 1,470,622 | Oct. 16, 1923 | F.A. Jimerson | Fluid-actuated tie tamper | pneumatic tools | |
| 1,971,773 | Aug. 28, 1934 | J. De Mooy | Riveting Machine | riveting machines | |
| 2,157,444 | May 09, 1939 | C.P. Whitlock | Tool Holder for Pneumatic Hammers | tool holders | |
| 4,416,338 | Nov. 22, 1983 | M.L. Foster, R.R. Zuzinec, J.W. Nelson | Control Mechanism for a Pneumatic Tool | ||