| All Patents in class 92/168 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 580,090 | Apr. 06, 1897 | J.G. Lewis | Gas or Gasolene Engine |
| | 584,592 | Jun. 15, 1897 | E.E. Johnson | Piston-pump |
| | 634,529 | Oct. 10, 1899 | A. Lee | Gas Engine |
 | 1,773,330 | Aug. 19, 1930 | I.A. Weaver | Vehicle lifting appliance |
 | 2,180,795 | Nov. 21, 1939 | N.A. Christensen | Packing |
| | 2,987,046 | Jun. 06, 1961 | N.F. Atherton | Ram Assemblage |
| | 3,802,323 | Apr. 09, 1974 | S. W | Piston and piston rod assembly for hydraulic jack |
| | 3,913,451 | Oct. 21, 1975 | D.I. McDonald | Hydraulic Cylinder with Cushioning Means |
