| Patents for Walter S. Landon, deceased (Estate of) |
Patents 1 -
4
of 4
      |
| Number | Title | Classification(s) |
| 2,505,975 | Reciprocating Travel Controlling Means | 236/1R, 236/68R, 236/86, 236/DIG.1, 251/122, 251/208, 251/233, 251/279, 74/53, 92/13.5 |
| 2,564,438 | Metering Valve and Control Means Therefor | 236/100, 236/48R, 236/99G, 236/99R |
| 2,592,913 | Liquid Level Control Means | 137/389, 137/400, 137/416, 137/426, 137/428, 137/429, 137/456, 137/468, 137/65, 236/48A, 236/99H, 236/99R, 251/76 |
| 2,615,671 | Metering Valve | 137/625.12, 137/625.3, 137/625.39 |
