| All Patents in class 408/709 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 349,963 | Sep. 28, 1886 | A. Willcox, J.D. Watson | Apparatus for Boring Cylinders |
| | 531,773 | Jan. 01, 1895 | J. Buchanan | Locomotive or Engine Cylinder Boring Mechanism |
| | 1,028,600 | Jun. 04, 1912 | H.A. Pedrick | Cylinder Boring Machine |
| | 1,516,815 | Nov. 25, 1924 | A.F. Froussard | Boring Machine |
| | 1,520,382 | Dec. 23, 1924 | R.W. Workman | Boring Head |
| | 1,696,195 | Dec. 25, 1928 | A.F. Froussard | Cutter Head |
 | 1,745,207 | Jan. 28, 1930 | C.C. Koeln, E.E. Davis | Cylinder-reboring machine |
 | 1,868,440 | Jul. 19, 1932 | E.A. Arp | Boring machine and method |
 | 1,906,241 | May 02, 1933 | E.A. Arp | Method and apparatus for predetermining the size of rebored cylinders |
 | 2,004,228 | Jun. 11, 1935 | T. Thorsen, A. Storm | Boring machine |
