| All Patents in class 82/902 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 675,469 | Jun. 04, 1901 | H. Derrer | Lathe for turning irregular forms | pattern lathes |
| 1,025,152 | May 07, 1912 | P.S. Mitts | Oil Groove Cutting Attachment for Key Seating Machines | key seating machines |
| 1,343,554 | Jun. 15, 1920 | W.F. Fischer | Machine for Forming Grooves | oil grooving machines |
| 1,675,136 | Jun. 26, 1928 | E.P. Sacrey | Machine for Cutting Oil Grooves | oil grooving machines |
| 1,982,983 | Dec. 04, 1934 | F. Czemba | Scroll Cutting Machine | form producing lathes |
| 2,521,619 | Sep. 05, 1950 | H.H. Weld | Grooving or Necking Mechanism | automatic lathes |
| 3,386,317 | Jun. 04, 1968 | R.C. Greathouse, C.N. Flick | Bore Machining Mechanism | horizontal boring mills |
