| 1920 EUGENE Releasable Bearing Patent Print Art |
| 1920 EUGENE Gun Carriage With Endless Tracks Art |
| 1920 EUGENE Road Wheeled Unit Artillery Other Purposes |
| 1920 EUGENE Girder Aircraft Art Print Patent |
| 1920 EUGENE Variable Pitch Propeller Patent |
| 1920 EUGENE Apparatus For Aiming Guns Patent |
| 1920 EUGENE BROWN Metal Construction Patent |
| 1920 EUGENE Wheeled Gun Carriage Patent Print |
| 1920 EUGENE Metal Spar Girder Aircraft Art Print |
| 1920 EUGENE Package Carrier Automobiles Art |
| 1920 KEPNER EUGENE Coal Car Patent Print Art |
| 1920 EUGENE Varying Recoil Guns Art Print |
| 1920 EUGENE Rotary Character Toy Patent Print |
| 1920 EUGENE Aiming Guns On Armored Cars Other Purposes |
| 1920 EUGENE SCHNEIDER Gun Carriage Frame Patent |
| 1920 EUGENE Gun Mounted On Wheeled Carriages Art |
| 1920 EUGENE Single Trail Gun Carriage Patent |
| 1920 EUGENE Apparatus For Loading Guns Patent |
| 1920 EUGENE Finger Guard Sewing Machines Art |
| 1920 EUGENE Sighting Device For Guns Patent |
| 1920 EUGENE Hydraulic Brake For Guns Patent |
| 1920 EUGENE Automatic Train Stop Speed Control |
| 1920 EUGENE Aiming Apparatus For Guns Patent |
| 1920 EUGENE SCHNEIDER Brake For Guns Patent |
| 1920 AULT EUGENE Bee Cage Patent Print Art |
| 1920 EUGENE Method Molding Concrete Ships Art |
| 1920 JOHNSON EUGENE Fish Trap Patent Print Art |
| 1920 EUGENE Projectile For Bomb Throwers Patent |
| 1920 EUGENE Elastic Suspension Wheeled Gun Carriages |
| 1920 EUGENE Setting Time Fuses Art Print Patent |
| 1920 EUGENE Fuse For Aviation Bombs Patent Print |
| 1920 EUGENE Percussion Fuse Projectiles Art |
| 1920 EUGENE Automatic Regulation Hydraulic Brakes Guns |
| 1920 FINK EUGENE Hen'S Nest Patent Print Art |
| 1920 REISING EUGENE Firearm Patent Print Art |
| 1920 EUGENE Transport Demounting Remounting Gun Barrels |
| 1920 SCHMITT EUGENE Dumping Wagon Patent Print |
| 1920 RAY EUGENE Sewing Machine Patent Print Art |
| 1920 EUGENE Gun Ac Ing Attacking Troops Art |