| All Patents in class 29/40 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 332,806 | Dec. 22, 1885 | C.H. Kelley | Tool Holder for Lathes | lathe tool holders and tool posts |
| 337,530 | Mar. 09, 1886 | F.M. Stevens | Automatic lathe | pattern lathes |
| 520,079 | May 22, 1894 | A.D. Quint | Turret-head machine | drill presses |
| 574,163 | Dec. 29, 1896 | G.G. Prentice | Multiple Screw Machine | screw machines |
| 786,353 | Apr. 04, 1905 | C.R. Gabriel | Screw Machine | screw machines |
| 946,989 | Jan. 18, 1910 | G.A. Steinle | Lathe | turret lathes |
| 2,192,888 | Mar. 12, 1940 | J.Y. Blazek, V.R. Roy | Resurfacing machine | vehicle brakes |
| 2,282,550 | May 12, 1942 | W.W. Trerice | Method and Machine for Producing Burnished Work | metalworking machine mechanisms |
| 2,348,364 | May 09, 1944 | H.W. Ruppel | Turret actuating mechanism | turret lathes |
| 2,709,931 | Jun. 07, 1955 | W.S. Bunnell | Deep Driller Drive | screw machines |
| 3,760,472 | Sep. 25, 1973 | E.J. Kielma, A.J. Schabowski | Spindle Change Mechanism for a Multiple Spindle Head Machine | tool changers and storage mechanisms |
| 4,054,975 | Oct. 25, 1977 | C.W. Lundstrom | Turret Lathe Apparatus | metalworking machine mechanisms |
| 4,057,881 | Nov. 15, 1977 | R.G. Stephens | Machine Tool Apparatus | metalworking machine mechanisms |
