| All Patents in class 74/49 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 72,608 | Dec. 24, 1867 | C.M. Currey | Improvement in mechanical movement | woodworking machine mechanisms |
| 637,450 | Nov. 21, 1899 | J.B. Doolittle | Gasolene Engine | gas and gasoline engines |
| 2,010,378 | Aug. 06, 1935 | B. Sassen | Hydraulic Power Unit | hydraulic apparatus |
| 2,109,233 | Feb. 22, 1938 | A.P. Jorgenson | Paint and liquid mixer | painter |
| 2,424,532 | Jul. 22, 1947 | C.L. Beard | Eccentric driving connection | |
| 2,532,591 | Dec. 05, 1950 | J.B. Armitage | Slotting Machine | milling machine accessories |
| 4,789,001 | Dec. 06, 1988 | L.W. Durham, B.S. Backe | Operating System for a Valve | |
