| Patents for Albert N. Spencer |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| RE8,297 | Jun. 25, 1878 | J. Richards | Driving planer feed-rolls | wood planers |
| 206,545 | Jul. 30, 1878 | W.H. Doane | Improvement in wood-planing machines | wood planers |
| 213,180 | Mar. 11, 1879 | W.H. Doane | Planer-matcher | matchers |
| 214,062 | Apr. 08, 1879 | H.V. Streit | Endless-bed planer | wood planers |
| 219,651 | Sep. 16, 1879 | W.H. Doane, G.W. Passel | Planer-matcher convertible to planer | matchers |
| 238,095 | Feb. 22, 1881 | W.H. Doane, G.W. Bugbee | Sandpapering machine | sanding machines |
| 273,970 | Mar. 13, 1883 | W.H. Doane | Sand-paper machine | sanding machines |
| 276,009 | Apr. 17, 1883 | W.H. Doane, G.W. Bugbee | Spoke tenoning and throating machine | wheelwright |
| 285,587 | Sep. 25, 1883 | G.W. Bugbee, W.H. Doane | Machine for planing wheel-fellies | wheelwright |
| 302,363 | Jul. 22, 1884 | J.R. Thomas | Tenoning and cross-gaining machine | dado machines |
