| All Patents in class 409/99 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 549,147 | Nov. 05, 1895 | B.S. Molyneux | Engraving Machine |
| | 555,581 | Mar. 03, 1896 | B.S. Molyneux | Engraving Machine |
 | 1,774,279 | Aug. 26, 1930 | E. Lochman | Electric tracer-control machine for die sinking and the like |
 | RE22,140 | Jul. 21, 1942 | E. Lochman | Electric tracer control machine for die sinking and the like |
| | 2,415,801 | Feb. 11, 1947 | T.F. Eserkaln, J.B. Armitage | Pattern Controlled Machine Tool |
| | 2,478,929 | Aug. 16, 1949 | E. Lochman | Machine tool |
| | 2,511,956 | Jun. 20, 1950 | T.A. Wetzel | Tracer Controlled Machine Tool |
| | 2,559,097 | Jul. 03, 1951 | D.R. Trinkle | Reproducing Machine |
| | 2,786,396 | Mar. 26, 1957 | T.A. Wetzel | Tracer Mechanism |
| | 2,869,429 | Jan. 20, 1959 | T.A. Wetzel | Pattern Controlled Milling Machine |
