| All Patents in class 407/56 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 158,247 | Dec. 29, 1874 | O.W. Clark | Improvement in machines for barking wood |
 | 216,049 | Jun. 03, 1879 | S.G. Mason | Improvement in apparatus for sawing & tenoning spokes |
 | 320,681 | Jun. 23, 1885 | W.J. Perkins | Circular saw |
 | 477,428 | Jun. 21, 1892 | G.H. Marsh | Feed-roll |
 | 1,136,085 | Apr. 20, 1915 | J.C. Backert | Cutter |
| | 1,505,977 | Aug. 26, 1924 | A. Stanworth | Tool Holder |
| | 2,614,441 | Oct. 21, 1952 | E.A. Goddard | Cutter and method of forming the same |
| | 3,283,663 | Nov. 08, 1966 | C.E. Davis | High Speed Milling Apparatus |
