| 1944 PULLMAN STANDARD CAR MFG CO Valve Patent |
| 1944 ANDERSON LAWRENCE Valve PULLMAN STANDARD CAR CO |
| 1944 KENYON INSTR INC Jettison Tank Valve Art |
| 1944 ADEL PREC PRODUCTS CORP Control Valve Art |
| 1944 DILL CO Valve Inflatable Boats Art Print |
| 1944 PESCO PRODUCTS CO Tank Valve Assembly Art |
| 1944 CAMPBELL Selector Valve With Automatic Return |
| 1944 REA Valve Mud Pump Lines Design Patent 43150 |
| 1944 ROTH JAY Tank Valve Assembly Patent Print |
| 1944 KOCHNER Gauge Safety Valve Unit KNAPP Patent 43154 |
| 1944 ERLE Inertia Actuated Propeller Control Valve |
| 1944 NEWELL Jettison Tank Valve Patent Print Art |
| 1944 CROWLEY Valve For Inflatable Boats Patent |
| 1944 TAUSCHER Hydraulic Power Control Valve Art |
| 1944 BARKSDALE LILBURN Shuttle Valve Patent |
| 1944 CAMPBELL RODNEY Sequence Valve Patent Print |
| 1944 ADEL PREC PRODUCTS CORP Shuttle Valve Art |
| 1944 GLENN L MARTIN CO Drain Valve Tank Fitting |
| 1944 PEPERSACK Drain Valve Tank Fitting Patent |
| 1944 WHITTED Automatic Heater Control Valve Art |
| 1944 JOHN ELEY JR Sequence Valve Patent Print |
| 1944 HARVEY EARLC Automatic Valve Patent Print |
| 1944 MOREHOUSE EUGENE Control Valve Patent Print |
| 1944 LOCOMOTIVE No8 BRAKING apparatus Valve lap worK + |
| 1944 LOCOMOTIVE No8 BRAKING apparatus Valve lap worK + |