Patents for J. D. Yoakley |
Patents 1 -
10
of 11
      |
Picture | Number | Date | Patentee | Title |
 | 1,017,879 | Feb. 20, 1912 | A.B. Landis | Grinding-machine |
 | 1,017,880 | Feb. 20, 1912 | A.B. Landis | Grinding-machine |
 | 1,017,883 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,017,886 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,017,887 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,017,888 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,017,889 | Feb. 20, 1912 | A.B. Landis | Thread-cutting machine |
 | 1,091,851 | Mar. 31, 1914 | A.B. Landis | Automatic balancing mechanism |
 | 1,107,621 | Aug. 18, 1914 | A.B. Landis | Bolt-threading machine |
 | 1,112,539 | Oct. 06, 1914 | A.B. Landis | Bolt-threading machine |