| All Patents in class 451/247 |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| RE733 | May 31, 1859 | J. Dodge | Improvement in grinding and polishing knives | tool making machines |
| 30,209 | Oct. 02, 1860 | J.D. Custer | Saw-grinding machine | saw sharpening machines |
| 39,317 | Jul. 21, 1863 | J. Dodge | Improvement in machines for grinding and polishing cutlery | tool making machines |
| 248,124 | Oct. 11, 1881 | O. Allen | Rotary spoke-feeding machine | wheelwright |
| 295,705 | Mar. 25, 1884 | G.R. Williams | Button Machine | button making machinery |
| 552,072 | Dec. 24, 1895 | C.C. Parke | Saw Swage | saw swages |
| 667,579 | Feb. 05, 1901 | A. Roemisch | Apparatus for Grinding and Smoothing Glass | |
| 679,611 | Jul. 30, 1901 | G.A. Ensign | Spoke-finishing machine | belt sanders |
| 718,578 | Jan. 13, 1903 | G.W. Pelton | Tool Holder for Button Making Machines | button making machinery |
| 730,882 | Jun. 16, 1903 | F.M. Davis | Automatic multispindle machine | nut or bolt making machines |
| 862,535 | Aug. 06, 1907 | I.A. Blood | Bobbin-notching machine | specialty woodworking machines |
| 1,144,347 | Jun. 29, 1915 | H. Flick, A.L. Butcher | Automatic spoke-sanding machine | sanding machines |
| 1,548,563 | Aug. 04, 1925 | H.K. Spencer | Means For Handling Articles | grinding attachments |
| 1,597,748 | Aug. 31, 1926 | W.M. Whitney | Wood Shaping Machine | wood shapers |
| 1,723,128 | Aug. 06, 1929 | G.W. Binns | Centerless Grinder | grinding machines |
