All Patents in class 209/365.2 |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
3,550 | Apr. 17, 1844 | R.M. Hoe | Inking-roller | printer |
39,093 | Jun. 30, 1863 | J. Fergusson, C.S. Burt | Grain separator | corn and grain separators |
114,500 | May 02, 1871 | H.L. Whitman | Improvement in grain-separators | corn and grain separators |
1,241,212 | Sep. 25, 1917 | C.L. Heisler | Powder Blending Apparatus | mixing machines |
1,362,725 | Dec. 21, 1920 | G.E. Marsden | Sifter for feed-mills | grist mills |
2,161,989 | Jun. 13, 1939 | D.M. Waterous | Screening paper pulp | paper making machines |