| 1941 GIBSON INC Stringed Musical Instrument Art |
| 1941 ALEMANY Musical Stringed Instrument Mute Patent 97 |
| 1941 BROWN Indicating Instrument TAYLOR Patent 24593 |
| 1941 EPIPHONE INC Stringed Musical Instrument |
| 1941 KRAUSE Instrument ShuffleBoard Games Patent 29599 |
| 1941 LEE Instrument Flying Device Patent Print |
| 1941 ELECTRO Stringed Musical Instrument Art |
| 1941 O'BRIEN Musical Instrument Patent Print Art |
| 1941 CENTRAL COMMERCIAL Musical Instrument Art |
| 1941 FINNEY HAROLD Musical Instrument Patent |
| 1941 BENJAMIN Musical Instrument Patent Print |
| 1941 GILLIE Musical Wind Instrument HORNE Patent 25577 |
| 1941 RUSSELL Musical Instrument Patent Print Art |
| 1941 HIBBARD Chronometric Instrument Patent |
| 1941 BELL TELEPHONE LABOR INC Chronometric Instrument |
| 1941 MAFFEI Stringed Musical Instrument Patent |
| 1941 HAMMOND INSTR Electrical Musical Instrument |
| 1941 GILBERT Electric Music Instrument Patent |
| 1941 EMMET REID Musical Instrument Patent Print |
| 1941 MROZ Electrical Musical Instrument Patent |
| 1941 OSCAR SCHMIDT INTERNAT INC Musical Instrument |
| 1941 DAVIS ERNEST Musical Instrument Patent |
| 1941 STAINBROOK Musical Instrument Patent Print |
| 1941 MARTIN Musical Instrument Bow Patent Print |
| 1941 BALTHASAR Musical Instrument Patent Print |
| 1941 JOSEPH Harmonichord Instrument Patent Print |
| 1941 FRANKLIN Band Instrument Mouthpiece Patent |
| 1941 GIBSON INC Musical Instrument Patent Print |
| 1941 RCA CORP Electrical Musical Instrument Art |
| 1941 GRETSCH Guitar Musical Instrument Patent 42354 |
| 1941 HEALION Musical Instrument Patent Print Art |
| 1941 DEMUTH Electric Musical Instrument Patent |
| 1941 TORKELSON Instrument Use In Flying Aircraft |
| 1941 MOORE Stringed Musical Instrument Patent |
| 1941 EUGENE Musical Instrument Pad Patent Print |
| 1941 REID RICHMOND Instrument Support Patent |
| 1941 HULSAVER Wind Instrument Mouthpiece Patent |
| 1941 KING Beam Measuring Instrument Patent Print |
| 1941 ELSIE M GRABER Band Instrument Mouthpiece |
| 1941 FIRESTONE Musical Instrument Patent Print |
| 1941 H Electric Music Instrument Art Print |
| 1941 ABRAMS NEIL Musical Instrument Patent Print |
| 1941 GILLIE Wind Instrument Music HORNE Patent 25578 |
| 1941 FULLER WALTER Musical Instrument Patent |
| 1941 SCOTT Horologic Instrument Patent Print Art |
| 1941 JAMES MANATT Musical Instrument Patent |
| 1941 KAUFFMAN Stringed Musical Instrument Patent |
| 1941 JAMES JACKSON Instrument Support Patent |
| 1941 HUGO Electrical Musical Instrument Patent |
| 1941 VERNE PETTEGREW Stringed Musical Instrument |
| 1941 DEMUTH Electrical Musical Instrument Patent |
| 1941 KOCHL JAMES Musical Instrument Patent Print |
| 1941 RCA CORP Electric Musical Instrument Patent |
| 1941 LAURENS Musical Instrument Patent Print Art |
| 1941 KNOPP Stringed Musical Instrument Patent |
| 1941 LAURENS Electrical Musical Instrument Art |
| 1941 H A SELMER INC Musical Instrument Pad Art |