| 1946 LOCKHEED AIRCRAFT CORP Pressure Relief Valve |
| 1946 OSENBERG Accordion Finger Wire Valve Attachment |
| 1946 ELECTROL INC Control Unit Dump Valve Art |
| 1946 DEWEY ALMY CHEM COMP Balloon Valve Art |
| 1946 REISNER Multiple Magnetic Valve Organs Art |
| 1946 BENDIX AVIAT CORP Deicer Unloading Valve |
| 1946 COOK Pontoon Metering Valve Combination Art |
| 1946 LEONARD Exhaust Valve Torpedo Exercise Head |
| 1946 W H REISNER INC Multiple Magnetic Valve Organs |
| 1946 STRID Emergency Hand Pump Selector Valve |
| 1946 MARTIN THOMAS Governor Valve Patent Print |
| 1946 DU BOIS Regulating Valve Patent Print Art |
| 1946 DEL Cabin Pressure Control Valve Patent |
| 1946 CAMPBELL Piston Brake Valve Patent Print |
| 1946 WURLITZER Accordion Finger Wire Valve Attachment |
| 1946 ISOM LANGLEY Balloon Valve Patent Print Art |
| 1946 GEN MOTORS CORP Governor Valve Patent Print |
| 1946 ASHTON Control Unit And Dump Valve Patent |
| 1946 ANDRE Pressure Relief Valve Patent Print |
| 1946 FERGUSON Steam Heater Control Valve Patent 10462 |
| 1946 PONTIUS GEORGE Charger Valve Patent Print |
| 1946 LEHMAN Deicer Unloading Valve Patent Print |
| 1946 BENDIX AVIAT CORP Regulating Valve Patent |