| 1934 DAVID H HOFFMAN Mechanical Musical Instrument |
| 1934 PAUL DONALD Musical Instrument Patent Print |
| 1934 BROWN Design Instrument Case TAYLOR Patent 30271 |
| 1934 ALUMINUM Musical Instrument Viol Violin Type |
| 1934 POOLE Time Instrument Resettingmechanism |
| 1934 UNICLOX CORP Chronological Instrument Art |
| 1934 BROWN Instrument Case Design TAYLOR Patent 30273 |
| 1934 PAUL HAASIS Signal Instrument Patent Print |
| 1934 LA Combined Mirror And Instrument Patent |
| 1934 HALL Aircraft Navigational Instrument Art |
| 1934 GEORGES Musical Instrument Patent Print Art |
| 1934 CONN LTD C G Wind Musical Instrument Patent |
| 1934 BISSETT Musical Instrument Player Patent |
| 1934 STANDARD MIRROR INC Combined Mirror Instrument |
| 1934 ARVID PALMGREN Musical Instrument Patent |
| 1934 CHARLES Stringed Musical Instrument Patent |
| 1934 DOBRO Electrophonic Stringed Musical Instrument |
| 1934 E INGRAHAM Time Instrument Resettingmechanism |
| 1934 HALLOCK Light Color Instrument Patent Print |
| 1934 PECKHAM Musical Toy Or Instrument Patent |
| 1934 HAROLD WALKER Instrument Holder Patent |
| 1934 BURDICK Musical Instrument Viol Violin Type |
| 1934 JOHNSON Instrument Panel Design Patent 24456 |
| 1934 SUHR Recording Instrument ASHCROFT Patent 26104 |
| 1934 E INGRAPHAM COMPANY Time Instrument Patent |
| 1934 BERNHARD Musical Instrument Patent Print |
| 1934 TEAGUE Design Instrument Case TAYLOR Patent 30278 |
| 1934 MELAS Instrument Case COCHRANE Patent 26098 |
| 1934 STEPANOWITCH Electroacoustic Musical Instrument |
| 1934 LARGE Stringed Musical Instrument Patent |
| 1934 STIMSON Electrophonic Stringed Musical Instrument |
| 1934 CARLSON ELOF Time Instrument Patent Print |
| 1934 PULLEN Musical Instrument FIRESIDE Patent 25529 |
| 1934 SCHAEFER Wind Musical Instrument Patent |
| 1934 OSCAR Stringed Musical Instrument Art Print |
| 1934 IANNELLI Instrument Panel REPUBLIC Patent 26097 |
| 1934 BEARD Instrument Board Lighting Art Print |
| 1934 EMERICH Photo Electric Musical Instrument |
| 1934 SCHULSE Chronological Instrument Patent |
| 1934 LAUTER Mechanical Musical Instrument Patent |
| 1934 HEES GYSBERT Whistle Instrument Patent |