| 1941 HAMMOND Keyboard Electrical Musical Instruments |
| 1941 BUESCHER Key Shaft Mounting Musical Instruments |
| 1941 STEPHENS Key Action Musical Instruments Art |
| 1941 NEIL Damping Musical Instruments Art Print |
| 1941 ALYN Tune Indicating Musical Instruments |
| 1941 TOFE Keyboard Musical Instruments Art Print |
| 1941 PAVCK String For Musical Instruments Patent |
| 1941 GIUSEPPE Resilient Sound Post Musical Instruments |
| 1941 RAYMOND Vibrator Reed Musical Instruments |
| 1941 HULSAVER Mouthpiece All Brass Musical Instruments |
| 1941 FREDRICK Bow Musical Stringed Instruments |
| 1941 HAMMOND INSTR Key Action Musical Instruments |
| 1941 GIBSON INC Damping Musical Instruments Art |
| 1941 HANSON Mouthpiece Musical Instruments Art |
| 1941 CAIRE Vibrator Reed Musical Instruments Art |
| 1941 SILVER Key Shaft Mounting Musical Instruments |
| 1941 WAGNER Bridge Stringed Musical Instruments |
| 1941 ROMANN Generator Musical Instruments Like |
| 1941 LAURENS Keyboard Electrical Musical Instruments |
| 1941 OLDS Piston Valve Musical Wind Instruments |