| All Patents in class 408/64 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 1,017,889 | Feb. 20, 1912 | A.B. Landis | Thread-cutting machine | metal threading machines |
| 1,112,539 | Oct. 06, 1914 | A.B. Landis | Bolt-threading machine | metal threading machines |
| 1,879,531 | Sep. 27, 1932 | B.P. Schiltz | Machine tool | tapping machines |
| 1,936,383 | Nov. 21, 1933 | C.J. Davis | Metal working machinery | vertical boring mills |
| 1,942,092 | Jan. 02, 1934 | K.F. Gallimore | Remote Control for Movable Members of Machine Tools | horizontal boring mill attachments |
| 2,638,800 | May 19, 1953 | R.E. Frushour | Table or Head Positioning Attachment for Drill Presses and the Like | drill presses |
| 2,816,462 | Dec. 17, 1957 | S.M. Babbitt | Precision boring machine | vertical boring mills |
