| All Patents in class 451/226 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 2,860 | Nov. 21, 1842 | R.H. Henry | Machine for shaping the inner side or periphery of fellies of carriage-wheels | wheelwright |
| 99,059 | Jan. 25, 1870 | L. Chapman | Improved Milling-Machine | wood shapers |
| 129,876 | Jul. 23, 1872 | J. Wheelock | Improvement in Milling Machines | milling machines |
| 233,846 | Nov. 02, 1880 | J.H. Greenwood | Planer Chuck | metal planer chucks |
| 335,984 | Feb. 09, 1886 | F.S. White | Grinding apparatus | sharpening machines |
| 388,784 | Aug. 28, 1888 | F. Mossberg | Twist-drill-grinding attachment | drill grinders |
| 399,066 | Mar. 05, 1889 | C.S. McMillan | Saw-gummer | saw gummers |
| 411,729 | Sep. 24, 1889 | W.J. Perkins | Saw-grinding machine | saw sharpening machines |
| 517,742 | Apr. 03, 1894 | E.O. Pratt, R.D. Field | Stone Working Machine | stone dressing machines |
| 666,461 | Jan. 22, 1901 | J. Boyle | Leather-working machine | leatherworker |
| 782,278 | Feb. 14, 1905 | M.B. Russ | Skate or Tool Holder for Grinding Machines | sharpening tool holders |
| 906,263 | Dec. 08, 1908 | M.W. Murray | Tool Holder | sharpening tool holders |
| 950,560 | Mar. 01, 1910 | P.H. Root | Lawn Mower Grinder | tool grinders |
| 958,945 | May 24, 1910 | J.L. Stoffer | Tool Holder | sharpening tool holders |
| 976,270 | Nov. 22, 1910 | W.A. Leonard | Die Grinder | tool grinders |
