| All Patents in class 29/48.50R |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 2,086,838 | Jul. 13, 1937 | G.R. Appelberg | Double Index Mechanism | |
| 2,086,849 | Jul. 13, 1937 | E.P. Bullard, E.H. Johnson | Carrier Mechanism | |
| 2,259,948 | Oct. 21, 1941 | E.P. Bullard | Indexing Mechanism for Machine Tools | |
| 2,300,389 | Oct. 27, 1942 | H.W. Ruppel | Coolant control and lock for spindle turrets | turret lathes |
| 2,442,635 | Jun. 01, 1948 | R.D. Bennett | Spline or gear grinder | gear making machines |
| 2,704,391 | Mar. 22, 1955 | E.H. Johnson | Indexing Mechanism | |
| 2,972,272 | Feb. 21, 1961 | F. Sirola | Tool post and tool holder | lathe tool holders and tool posts |
| 3,589,213 | Jun. 29, 1971 | E.F. Gourley | Turret tool post and handle assembly | lathe tool holders and tool posts |
