| All Patents in class 91/464 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 694,780 | Mar. 04, 1902 | C.S. Prescott | Steam set-works |
 | 708,598 | Sep. 09, 1902 | E.E. Thomas | Steam-feed for sawmill-carriages |
| | 989,009 | Apr. 11, 1911 | C.L. Heisler | Cylinder Drain Cock Operating Mechanism |
| | 1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism |
| | 2,634,086 | Apr. 07, 1953 | W.E. Johns | Valve with self-contained stem centering device |
| | 2,730,074 | Jan. 10, 1956 | W. Ernst | Servo-motor valve |
| | 3,052,011 | Sep. 04, 1962 | H.J. Baechle, C.B. Sipek, R.K. Sedgwick, J.A. Hansen, W.E. Brainard | Machine Tool with a Mechanical Cutting Tool Changer |
