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| Patents for William Hartill Law | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-5,807 | Mar. 20, 1876 | W.H. Law | Improvements on steam engines | |
 | CA-5,817 | Mar. 20, 1876 | W.H. Law | Improvements in steam pumping | |
 | 477,559 | Jun. 21, 1892 | W.H. Law | Power Hammer | |
 | CA-39,771 | Aug. 10, 1892 | W.H. Law | Power hammer | |
 | CA-49,976 | Sep. 13, 1895 | W.H. Law | Travelling swing drill | |
 | 612,949 | Oct. 25, 1898 | W.H. Law | Power Hammer | |
 | CA-65,452 | Dec. 21, 1899 | W.H. Law | Power hammer | |