Patents for C. G. Hildreth |
Patents 1 -
10
of 10
      |
Picture | Number | Date | Patentee | Title |
 | 87,413 | Mar. 02, 1869 | B. Holly | Supply Regulator for Water Works |
 | 94,746 | Sep. 14, 1869 | B. Holly | Water Works |
 | 94,747 | Sep. 14, 1869 | B. Holly | Water Pipe Safety Valve |
 | 94,748 | Sep. 14, 1869 | B. Holly | Automatic Regulating Valve |
 | 94,749 | Sep. 14, 1869 | B. Holly | Hydrant |
 | RE4,085 | Aug. 02, 1870 | B. Holly | Water Supply Regulator for Water Works |
 | RE4,086 | Aug. 02, 1870 | B. Holly | Water Supply Regulator |
 | RE4,087 | Aug. 02, 1870 | B. Holly | Water Supply Regulator |
| RE4,396 | May 23, 1871 | B. Holly | Improvement in Automatic Regulating-Valves |
| RE5,132 | Nov. 05, 1872 | B. Holly | Improvement in Water-Supply Regulators for Water-Works |