| All Patents in class 60/429 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,835,977 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Hydraulic System | hydraulic apparatus |
| 1,835,978 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Multiple Closed Circuit Hydraulic ystem | hydraulic apparatus |
| 1,835,979 | Dec. 08, 1931 | L.F. Nenninger, H. Ernst | Three-Pump Hydraulic System | hydraulic apparatus |
| 1,884,277 | Oct. 25, 1932 | B. Sassen | Self Regulating Hydraulic System | hydraulic apparatus |
| 2,921,437 | Jan. 19, 1960 | E.J. Svenson | Material Working Apparatus | metalworking machine mechanisms |
