| 1969 RHEEM CO Electronic Musical Instrument Art |
| 1969 LEON GLASSER Musical Instrument Bow Patent |
| 1969 WOLF Programmed Musical Instrument Patent |
| 1969 NIPPON Pickup Circuit Stringed Musical Instrument |
| 1969 GLASSER Musical Instrument Bow Patent Print |
| 1969 WARWICK Key System Electrical Musical Instrument |
| 1969 BLOXSOM Stringed Musical Instrument Patent |
| 1969 MOORE Electronic Musical Instrument Patent |
| 1969 GILBERT A C Programmed Musical Instrument |
| 1969 RICHARD M COTTEN Pedal Board Musical Instrument |
| 1969 WARWICK Electrical Musical Instrument Art |
| 1969 WATSON WILLIAM Musical Instrument Patent |
| 1969 RAYMOND M VERES Stringed Musical Instrument |
| 1969 KENNETH Stringed Musical Instrument Art |
| 1969 MOORE Electronic Musical Instrument RHEEM Patent 1 |
| 1969 STEPHEN P MARTIN Musical Instrument Patent |
| 1969 SHIINA Automatically Playing Musical Instrument |
| 1969 ASTRODATA INC Musical Instrument Patent |
| 1969 VERES Stringed Musical Instrument Patent |
| 1969 DANIEL E BLOXSOM JR Stringed Musical Instrument |
| 1969 ROBERTS Electrophonic Musical Instrument |
| 1969 BRAND Key System Electrical Musical Instrument |
| 1969 WILLIAM Electrophonic Musical Instrument |
| 1969 WHITESIDE Musical Instrument Bearing Insert |
| 1969 PELENSKY Stringed Musical Instrument Patent 10127 |
| 1969 COTTEN Pedal Board Musical Instrument Art |
| 1969 PAUL Stringed Musical Instrument Patent |