Patents Granted on 1969-09-02 |
Patents 1 -
4
of 4
|
Number | Date | Patentee | Title | Type |
CA-821,931 | Sep. 02, 1969 | W.J. Witwer | Hydraulic system for use with telescopic boom apparatus | |
3,464,251 | Sep. 02, 1969 | R.W. Johns | Tube Tapering Device With Variable Die Orifice | metal swaging machines |
3,464,315 | Sep. 02, 1969 | H.A. Weyer | Mechanical pneumatic servo control system for high-speed impact devices | drop hammers |
3,465,332 | Sep. 02, 1969 | G.O. Albrecht, R.C. Taylor, Jr., N.D. Neal | Automatic Control Apparatus | numerically controlled milling machines |