| 1920 AUTO ORDNANCE CORP Ammunition Lubrication |
| 1920 BADGER MFG CORP Automobile Bumper Patent |
| 1920 HASKELITE MFG CORP Aeroplane Patent Print |
| 1920 US LIGHT HEAT CORP Automobile Instrument Board |
| 1920 AUTO ORDNANCE CORP Magazine Firearms Art |
| 1920 CURTISS AEROPLANE MOTOR CORP Hydro Aircraft |
| 1920 AUTO ORDNANCE CORP Gun Lubrication Patent |
| 1920 CURTISS AEROPLANE MOTOR CORP Fuselage Wiring |
| 1920 ATLANTIC HAND BRAKE CORP Hand Brake Patent |
| 1920 STEWARD DAVIT EQUIPMENT CORP Line Carrying Gun |
| 1920 PAYNE OSCAR Gun AUTO ORDNANCE CORP Patent |
| 1920 AUTO ORDNANCE CORP Breech Closure Patent |
| 1920 AUTO ORDNANCE CORP Gun Patent Print Art |
| 1920 AUTO ORDNANCE CORP Ordnance Patent Print |
| 1920 STEWARD DAVIT EQUIPMENT CORP Ship'S Davit |
| 1920 AUTO ORDNANCE CORP Gun Magazine Patent |
| 1920 MARLIN ROCKWELL CORP Automatic Gun Patent |
| 1920 AUTO ORDNANCE CORP Firearm Patent Print Art |
| 1920 CORP Method Affixing Objects On Cards Supports |
| 1920 COWMATIC CORP Animal Stanchion Patent Print |
| 1920 UNITED SHOE MACHINERY CORP Inseam Sewing Machine |
| 1920 CURTISS AEROPLANE MOTOR CORP Tripod Flying Boat |
| 1920 CARBURETOR LOCK CORP Carbureter Lock Patent |
| 1920 AUTOMOTIVE TRACTOR CORP Auto Driven Tractor |
| 1920 AUTO ORDNANCE CORP Magazine Patent Print |
| 1920 WATSON PRODUCTS CORP Hand Sled Patent Print |
| 1920 AUTO ORDNANCE CORP Gun Element Patent Print |
| 1920 US LIGHT HEAT CORP Starting Lighting System |
| 1920 BETHLEHEM STEEL CORP Base Detonating Fuse |
| 1920 COWMATIC CORP Manger Partition Patent Print |
| 1920 TUNKS CHARLES Magazine AUTO ORDNANCE CORP |
| 1920 MYERS PHONOGRAPH CORP Tone Modulator Phonographs |
| 1920 AMERICAN RIDES CORP Amusement Device Patent |
| 1920 MORGAN AUTO ALARM CORP Audible Alarm Automobiles |
| 1920 UNITED SHOE MACHINERY CORP Smwing Mackine |
| 1920 INTERNAT TORPEDO BOAT CORP Gun Mount Boats |
| 1920 FISHER LESLIE Ordnance AUTO ORDNANCE CORP |
| 1920 AUTOMOTIVE TRACTOR CORP Autotractor Patent |
| 1920 PENN SEABOARD STEEL CORP Stockless Anchor |
| 1920 UNITED SHOE MACHINERY CORP Shoe Sewing Machine |
| 1920 AUTO ORDNANCE CORP Lubricating Ammunition |
| 1920 CONCRETE CRAFT CORP Reinforced Concrete Ship Mold |
| 1920 UNITED SHOE MACHINERY CORP Thread Waxing |
| 1920 BREWSTER GOLDSMITH CORP INC Antisubmarine |
| 1920 GEN AMERICAN TANK CAR CORP Tank Car Patent |
| 1920 INTERNAT TORPEDO BOAT CORP Torpedo Boat Art |
| 1920 CURTISS AEROPLANE MOTOR CORP Airplane Art |
| 1920 AUTO ORDNANCE CORP Gun Mechanism Patent |
| 1920 UNITED SHOE MACHINERY CORP Sewing Machine |
| 1920 UNITED SHOE MACHINERY CORP Take Up Mechanism |
| 1920 COWMATIC CORP Stanchion Support Patent |
| 1920 MARLINROCKWELL CORP Gun Mount Patent Print |
| 1920 AUTO ORDNANCE CORP Breech Lubrication Art |
| 1920 HASKELITE MFG CORP Aeroplane Body Patent |
| 1920 SONORA PHONOGRAPH CORP Talking Machine Art |
| 1920 SIMPLEX CORP Lock For Motor Vehicles Patent |
| 1920 CURTISS AEROPLANE MOTOR CORP Aeroplane Art |
| 1920 SIMPLEX CORP Motor Vehicle Lock Patent |
| 1920 AUTO ORDNANCE CORP Cartridge Magazine Art |
| 1920's BOND ELECTRIC CORP FLASHLIGHT & it WORKS |
| Vintage 1920's USMC Marine Corp. Inkwell |
| 1920 Harnischfeger Corp.Wis. P&H Excavator Ads (2) |