| Patents for William S. Grosvenor |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 166,758 | Aug. 17, 1875 | C.M. Farrar | Rotary Balanced Valve | steam engine valves |
| 172,557 | Jan. 25, 1876 | F. Collignon | Steam Boiler | stationary boilers |
| 183,025 | Oct. 10, 1876 | W.S. Grosvenor, J. Sangster | Marine Engine Governor | boats and ships |
| 188,365 | Mar. 13, 1877 | E. Holmes, B. Holmes | Machine for Leveling and Trussing Barrels | barrel making machines |
| 191,761 | Jun. 12, 1877 | E.K. Holley | Carriage Wrench | axle nut wrenches |
| 212,381 | Feb. 18, 1879 | E. Holmes, B. Holmes | Keg-Trussing Machine | barrel making machines |
