| All Patents in class 408/3 |
Patents 1 -
15
of 36
      |
| Number | Date | Patentee | Title | Type |
| 18 | Aug. 31, 1836 | T. Blanchard | Machine for countersinking to receive bushes in the sheaves of ships' tackle-blocks | drilling and boring |
| 42,863 | May 24, 1864 | B. Merritt, Jr. | Improvement in machines for boring angular holes | drilling and boring |
| RE9,114 | Mar. 09, 1880 | G. Gardner | Boring-Machine | mortising machines |
| 352,139 | Nov. 09, 1886 | J. Leuenberger | Washer or gasket cutter | washer cutters |
| 447,014 | Feb. 24, 1891 | P. Pryibil | Machine for drilling to pattern | drilling and boring |
| 666,217 | Jan. 15, 1901 | N.J. Hutchinson | Woodworking-machine | box making machines |
| 1,233,994 | Jul. 17, 1917 | R.F. Dow | Machine for taper-forming | metal lathes |
| 2,074,095 | Mar. 16, 1937 | B. Sassen | Combined Pattern Controlled Machine Tool | profiling machines |
| 2,235,092 | Mar. 18, 1941 | E.L. Wall | Duplicating Machine | milling machines |
| 2,243,379 | May 27, 1941 | G.H. Johnson | Machine Tool | balancing machinery |
| 2,500,933 | Mar. 21, 1950 | L.A. Dailey | Control device for machine tools | wood drilling and boring |
| 2,612,697 | Oct. 07, 1952 | L.J. Mathson | Adjustment Indicator for Precision Machine Tools | measurement gauges |
| 2,800,839 | Jul. 30, 1957 | H. Horlacher | Contouring Machine | profiling machines |
| 2,876,650 | Mar. 10, 1959 | A.G. Sangster | Apparatus for automatically relatively positioning workholders, tools and the like | |
| 2,961,898 | Nov. 29, 1960 | C.M. Grinage | Machine Tool Program Spacing Mechanism | |
