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| All Patents in class 173/207 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 464,820 | Dec. 08, 1891 | D. Drawbaugh | Pneumatic Tool for rock-cutting | |
 | 504,802 | Sep. 12, 1893 | D. Drawbaugh | Pneumatic tool | |
| 626,497 | Jun. 06, 1899 | E.C. Meissner | Pneumatic Hammer | ||
| 745,239 | Nov. 24, 1903 | C.B. Richards | Pneumatic Tool | ||
 | 912,655 | Feb. 16, 1909 | W.O. Duntley | Pneumatic-tool handle | |
 | 1,065,339 | Jun. 24, 1913 | B. Brazelle | Single-acting engine | |
 | 1,132,649 | Mar. 23, 1915 | B. Brazelle | Pneumatic tool | |
 | 4,483,402 | Nov. 20, 1984 | W. Vonhoff, Jr. | Paving breaker | |