| 1937 GEN ELECTRIC Definite Time Relay Patent |
| 1937 GEN ELECTRIC Center Bearing Patent Print |
| 1937 GEN MOTORS CORP Switch Patent Print Art |
| 1937 GEN ELECTRIC Air Conditioning System Patent |
| 1937 OWEN WILLIAM Timer GEN ELECTRIC Patent |
| 1937 GEN ELECTRIC Time Switch Patent Print Art |
| 1937 GEN RAILWAY SIGNAL CO Relay Patent Print |
| 1937 GEN STEEL CASTINGS CORP Railway Car Patent |
| 1937 GEN Railway Cab Signaling System Railroads |
| 1937 GEN ELECTRIC Electric Timing Counting Art |
| 1937 GEN ELECTRIC Golf Club Method Making Same |
| 1937 GEN MOTORS CORP Sound Signal Patent Print |
| 1937 GEN STEEL CASTINGS CORP Railway Truck Art |
| 1937 WILLING JOSEPH Relay GEN RAILWAY SIGNAL CO |
| 1937 GEN Automatic Train Control System Art |
| 1937 GEN Block Signaling System Railroads Art |
| 1937 GEN ELECTRIC Timer Patent Print Art |
| 1937 GEN ELECTRIC Locomotive Turbine Drive Art |
| 1937 GEN RAILWAY SIGNAL CO Switch Machine Railroads |
| 1937 GEN Railway Traffic Controlling System Art |
| 1937 GEN SPRING BUMPER CORP Bumper Construction |
| 1937 GEN RAILWAY SIGNAL CO Train Describer System |
| 1937 GEN ELECTRIC Signal System Patent Print Art |
| 1937 GEN RAILWAY SIGNAL CO Railway Signaling System |
| 1937 GEN ELECTRIC Locomotive Drive Reversing Mechanism |
| 1937 GEN MOTORS CORP Running Board Rubber Mat |
| 1937 GEN STEEL CASTINGS CORP Vehicle Structure |
| 1937 GEN RAILWAY SIGNAL CO Light Signal Unit Art |
| 1937 SABBAH Electric Valve Converting System GEN ELEC P |
| 1937 GEN STEEL CASTINGS CORP Locomotive Construction |
| GENERAL TAUGHT EISENHOWER TO FLY IN 1937 - 13th AF GEN! |
| 1937-P PCGS MS-66 1st GEN OGH MERCURY SILVER DIME; MS66 |