| Patents for Dougherty & Broome |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 123,793 | Feb. 20, 1872 | D. Renshaw | Improvement in Sectional Boilers | stationary boilers |
| 124,513 | Mar. 12, 1872 | D. Renshaw | Improvement in Steam-Generators | stationary boilers |
| 125,907 | Apr. 23, 1872 | D. Renshaw | Improvement in Steam-Generators | stationary boilers |
| 133,723 | Dec. 10, 1872 | D. Renshaw | Steam Generators | stationary boilers |
| 134,003 | Dec. 17, 1872 | D. Renshaw | Sectional Steam-Generator | stationary boilers |
| 134,165 | Dec. 24, 1872 | D. Renshaw | Sectional Steam-Boilers | stationary boilers |
