All Patents in class 254/93R |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
 | 571,547 | Nov. 17, 1896 | J. Weeks | Hydraulic jack |
 | 630,105 | Aug. 01, 1899 | H.B. Phillips | Log Loading Apparatus |
 | 649,357 | May 08, 1900 | W.H. Ridgway | Hoisting apparatus |
| 935,235 | Sep. 28, 1909 | C.E. Sargent | Device for Barring Over Engines |
| 1,436,623 | Nov. 21, 1922 | P.F. Lueth | Independent direct-acting skid lift |
 | 1,773,712 | Aug. 19, 1930 | J.B. Wiard | Apparatus for controlling electric motors |
 | 1,948,073 | Feb. 20, 1934 | R.E. Manley | Hydraulic jack |
 | 2,402,579 | Jun. 25, 1946 | W.A. Ross | Load lifter |
| 2,475,040 | Jul. 05, 1949 | S. Mandl | Ram |
| 2,561,577 | Jul. 24, 1951 | R.G. Knudsen | Pneumatic Impact Pullers and the Like |