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