All Patents in class 451 |
Patents 1 -
15
of 3615
|
Number | Date | Patentee | Title | Type |
5,385X | Mar. 03, 1829 | W. Robinson | Grinding steel dies used to make steel buttons | button making machinery |
5,658X | Oct. 10, 1829 | D. Curtis, L.B. Prindle | Rubbing down and polishing combs | polishing and buffing machinery |
6,308X | Dec. 27, 1830 | R. Humphrey | Thrashing machine | threshers and thrashers |
7,010X | Apr. 19, 1832 | G.A. Madeira | Machinery for holding and grinding edge tools | sharpening machines |
8,224X | May 28, 1834 | J. Wheaton | Elliptical Spindle Grinder | grinders |
8,434X | Oct. 06, 1834 | O. Stone | Saw-mill strap | band sawmills |
8,706X | Mar. 24, 1835 | P. Cooper | Grinding and polishing stone, glass, etc. | glassmaker |
9,287X | Dec. 15, 1835 | W. Child | Application of polishing slate for sharpening razors | |
2,329 | Nov. 03, 1841 | T.J. Cornell | Machine for Dressing Granite | stone cutting machines |
2,656 | May 30, 1842 | R.M. Hoe | Machinery for grinding and polishing metallic surfaces, particularly saw-plates | tool making machines |
2,860 | Nov. 21, 1842 | R.H. Henry | Machine for shaping the inner side or periphery of fellies of carriage-wheels | wheelwright |
3,105 | May 26, 1843 | T. Fairbanks | Discharging Dust from Grinding Wheels | grinders |
5,398 | Dec. 18, 1847 | W. Hovey | Machinery for Grinding Knives which have Warped Sufaces | tool grinders |
5,760 | Sep. 12, 1848 | I. Baker | Machine for dressing chair-seats | wood shapers |
5,902 | Nov. 07, 1848 | J.W. Chapman, W.Z. Chapman | Honing Machine | sharpening machines |