| 1920 LOUIS Increasing Efficiency Firearms Like |
| 1920 WAGNER Rear Sight For Firearms Patent Print |
| 1920 AUTO ORDNANCE CORP Magazine Firearms Art |
| 1920 GORE Stand Or Support For Firearms Patent |
| 1920 WINCHESTER REPEATING ARMS CO Leaf Sight Firearms |
| 1920 PAYNE Magazine For Firearms Patent Print |
| 1920 LEWIS Rear Sight For Firearms Patent Print |
| 1920 KRAFT JENS Sight For Firearms Patent Print |
| 1920 WAGNER Front Sight For Firearms Patent |
| 1920 SCHMIDT Safety Device For Firearms Patent |
| 1920 JOHNSON Box Magazine For Firearms Patent |
| 1920 BURTON Leaf Sight For Firearms Patent Print |
| 1920 GRANT Magazine For Firearms Patent Print |
| 1920 MOLLER Recoil Absorbing Attachment Firearms |
| 1920 WILLIAM Cartridge Extractor Firearms Art |
| 1920 FISCHER Deflecting Fire Firearms Art Print |
| 1920 ANDRE Arrangement Deadening Recoil Firearms Like |
| 1920 ANDRE Recoil Absorbing Firearms Art Print |
| 1920 MASTERS Flash Light Attachment Firearms Art |
| 1920 WINCHESTER REPEATING ARMS CO Box Magazine Firearms |
| 1920 STEVENS ARMS J Rear Sight Firearms Art |
| 1920 GRANT Breech Bolt Lock For Firearms Patent |
| 1920 BADER Sighting Device For Firearms Patent |
| 1920 GREEN Electrically Controlled Mechanism Firearms |