| Patents for Henry E. Roeder |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 76,580 | Apr. 14, 1868 | J.F. Allen | Improvement in steam-generator | stationary boilers |
| 76,581 | Apr. 14, 1868 | J.F. Allen | Improvement in decarbonizing iron | foundryman |
| 131,549 | Sep. 24, 1872 | A. Lachappelle | Improvement in circular-saw tables | tablesaws |
| 236,692 | Jan. 18, 1881 | S.B. Peakman | Screw-Driver | screwdrivers |
| CA-12,302 | Feb. 01, 1881 | F. Brown | Improvement on fog signals | nautical fog signals |
| 306,375 | Oct. 14, 1884 | J.F. Allen | Portable drilling-machine | portable metal boring and drilling machines |
| 347,942 | Aug. 24, 1886 | D. Leary | Mandrel for circular saws | circular saws |
