| All Patents in class 408/3 |
Patents 1 -
10
of 36
      |
| Picture | Number | Date | Patentee | Title |
 | 18 | Aug. 31, 1836 | T. Blanchard | Machine for countersinking to receive bushes in the sheaves of ships' tackle-blocks |
 | 42,863 | May 24, 1864 | B. Merritt, Jr. | Improvement in machines for boring angular holes |
 | RE9,114 | Mar. 09, 1880 | G. Gardner | Boring-Machine |
 | 352,139 | Nov. 09, 1886 | J. Leuenberger | Washer or gasket cutter |
 | 447,014 | Feb. 24, 1891 | P. Pryibil | Machine for drilling to pattern |
 | 666,217 | Jan. 15, 1901 | N.J. Hutchinson | Woodworking-machine |
 | 1,233,994 | Jul. 17, 1917 | R.F. Dow | Machine for taper-forming |
| | 2,074,095 | Mar. 16, 1937 | B. Sassen | Combined Pattern Controlled Machine Tool |
| | 2,235,092 | Mar. 18, 1941 | E.L. Wall | Duplicating Machine |
| | 2,243,379 | May 27, 1941 | G.H. Johnson | Machine Tool |
