| 1921 HILBERG Automobile Cabinet Attachment Art |
| 1921 KING Canoe Attachment Art |
| 1921 RICKE Safety Attachment Flying Machines Art |
| 1921 EMILE Runner Attachment Motor Vehicles Art |
| 1921 ABRAHAM Attachment Stringed Instruments Art |
| 1921 SINGER CO Attachment Sewing Machines Art |
| 1921 FLOYD Landing Attachment Parachutes Art |
| 1921 KING JOHN Canoe Attachment Patent Print Art |
| 1921 PETERSON Runner Attachment Patent Print Art |
| 1921 VON Safety Attachment Stop Watches Art |
| 1921 QUARTANA Fender Attachment Automobiles Art |
| 1921 SEIBERT Hoisting Attachment Autotrucks Art |
| 1921 ELLA Attachment For The Backs Of Seats Art |
| 1921 OLOF Name Plate Attachment Patent Print Art |
| 1921 ARMS PRODUCTS Attachment Firearms Art |
| 1921 KEITHLEY Saddle Attachment Patent Print Art |
| 1921 GREIST CO Sewing Machine Attachment Box Art |
| 1921 GEORGES Mandolin Attachment Pianos Art |
| 1921 LOUIS Attachment For Sleds Patent Print Art |
| 1921 CRAIG Accuracy Attachment Firearms Art |
| 1921 BACKLUND Sleigh Attachment Autovehicles Art |
| 1921 DAVIES Calk Attachment For Horseshoes Art |
| 1921 MARTIN Motor Attachment Sewing Machines Art |
| 1921 HALLADAY Attachment Bumper Supports Art |