| 1959 GOODYEAR TIRE & RUBBER Relay Valve Patent |
| 1959 BROWN HOWARD Metering Valve Patent Print |
| 1959 MAY Control Valve Vehicle Air Springs Art |
| 1959 ERNEST BARRINGTON Relay Valve Patent Print |
| 1959 ROYER Governor Valve Assembly Patent Print |
| 1959 BOOTH Pressure Regulating Valve Patent |
| 1959 WESTINGHOUSE Fluid Motor With Slack Adjuster Valve |
| 1959 WIDELL Harmonic Exciter Valve Patent Print |
| 1959 KIRK Fluid Motor With Slack Adjuster Valve |
| 1959 GEN MOTORS CORP Governor Valve Assembly Art |
| 1959 BENDIX AVIAT CORP Harmonic Exciter Valve |
| 1959 DOBRICK Automatic Pressure Operated Valve |
| 1959 MCQUEEN Liquid Level Responsive Valve Art |
| 1959 WESTINGHOUSE Control Valve Vehicle Air Springs |
| 1959 VITALIANO Valve Control A Musical Instrument |
| 1959 DOUGLAS AIRCRAFT INC Diaphragm Valve Art |
| 1959 HOGAN WALTER Control Valve Patent Print Art |
| 1959 UNITED AIRCRAFT PROD Pressure Regulating Valve |
| 1959 DOLE VALVE CO Flow Control Device Patent |
| 1959 ANNA H BOWMAN JAMES M GUTHRIE Pipe Organ Valve |
| 1959 BOWMAN SAMUEL Pipe Organ Valve Patent Print |
| 1959 HARWOOD OLIVER Diaphragm Valve Patent Print |
| 1959 CLEVELAND PNEUMATIC IND INC Control Valve |
| 1959 NAGEL Valve Shuttle Parking Brake Art Print |