| 1942 FEDDERSEN Musical Instrument Stand Patent |
| 1942 ALBERT Instrument Supporting Cord Patent |
| 1942 CONN LTD C G Wind Musical Instrument Patent |
| 1942 RUNYON Wind Musical Instrument Patent Print |
| 1942 HAL HORNE Musical Instrument Patent Print |
| 1942 EMIL LISKE Musical Instrument Patent Print |
| 1942 ALDO LOGLI Musical Instrument Patent Print |
| 1942 THOMANDER Instrument Cover ELECTRIC Patent 24633 |
| 1942 ZUCK Electrical Musical Instrument Patent |
| 1942 TRUHON Design Drafting Instrument Patent 44911 |
| 1942 REED JAMES Wind Instrument Patent Print Art |
| 1942 IRVING Measuring Instrument Patent Print |
| 1942 RICHTERKESSING Track Instrument Patent |
| 1942 HOMMER Musical Wind Instrument Patent 25582 |
| 1942 HENRY Electrical Musical Instrument Patent |
| 1942 FISHER SIDNEY Musical Instrument Patent |
| 1942 NALL OTIS Musical Instrument Patent Print |
| 1942 OWCZYNIKOW Musical Instrument Patent Print |
| 1942 LUCK Surgical Instrument Holder Patent 32952 |
| 1942 SMITH Illuminated Dial Instrument Patent |
| 1942 KOEHL JAMES Musical Instrument Patent Print |
| 1942 MAAS LOUIS Musical Instrument Patent Print |
| 1942 PICKERING Wind Musical Instrument Patent |
| 1942 HANERT Electrical Musical Instrument Patent |
| 1942 KERSHAW BURBANK Musical Instrument Patent |