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All Patents in class 91/527 | |||||
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Picture | Number | Date | Patentee | Title | |
558,749 | Apr. 21, 1896 | G.L. Thomas | Electrically Controlled Gas Engine or Motor | ||
2,473,572 | Jun. 21, 1949 | E.A. Ruchty, N.D. Cooper | Magnetic Servo Operator | ||
2,507,581 | May 16, 1950 | W.P. McDonald, M.V. Waters, H.P. Baecker | Safety Device for Broaching Machines | ||
3,052,262 | Sep. 04, 1962 | W.L. McCann | Power Actuated Multiple Valve | ||
![]() | 3,538,813 | Nov. 10, 1970 | T.E. Clyce, J.Y. Cromeens | Remote control system |