| Patents for William Bruce |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| CA-1,572 | Jul. 22, 1872 | T. Northey | Improvements on shaft couplings | industrial machine shaft couplings |
| 203,553 | May 14, 1878 | T. Northey | Improvement in double stuffing-boxes for steam-pumps | steam pumps |
| 334,042 | Jan. 12, 1886 | E.F. Noyes | Tool Holder | lathe tools |
| 955,408 | Apr. 19, 1910 | J.M. Jones | Safety device for wood shaping machines | woodworking machine safety guards |
| 976,181 | Nov. 22, 1910 | J.M. Jones | Safety-guard for stamping-machines | stamping presses |
| 983,373 | Feb. 07, 1911 | J.M. Jones | Device for laying underground wires | |
