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| Patents for William Bruce | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-1,572 | Jul. 22, 1872 | T. Northey | Improvements on shaft couplings | |
 | 203,553 | May 14, 1878 | T. Northey | Improvement in double stuffing-boxes for steam-pumps | |
 | 334,042 | Jan. 12, 1886 | E.F. Noyes | Tool Holder | |
| 955,408 | Apr. 19, 1910 | J.M. Jones | Safety device for wood shaping machines | ||
 | 976,181 | Nov. 22, 1910 | J.M. Jones | Safety-guard for stamping-machines | |
 | 983,373 | Feb. 07, 1911 | J.M. Jones | Device for laying underground wires | |