| 1930 MORETON Attachment Musical Instruments Art |
| 1930 JOHNSON Attachment Fretted Musical Instruments |
| 1960 HEINZ Chord Player Attachment Musical Instruments |
| 1931 TRUJO Attachment Stringed Musical Instruments |
| 1929 HAGBERG Attachment Stringed Musical Instruments |
| 1928 JOHN Attachment Mouthpieces Musical Instruments |
| 1928 HABEGER Attachment Musical Instruments Art |
| 1930 HARRY Attachment Stringed Musical Instruments |
| 1951 ADAMS Attachment Stringed Musical Instruments |
| 1922 HUMES Attachment Reed Musical Instruments |
| 1931 MA Horn Attachment String Musical Instruments |
| 1860 BOOTMAN Attachment to Keyed Musical Instrument Pat |
| 1925 GILLER Illuminating Attachment Musical Instruments |
| 1927 LIFSHITZ Electrical Attachment Musical Instruments |
| 1958 SAYLOR Attachment Mouthpiece Musical Instruments |
| 1930 RALPH Attachment Fretted Musical Instruments |
| 1931 TRUETT Attachment Stringed Musical Instruments |
| 1960 FRANK Dancing Doll Attachment Musical Instruments |
| 1886 SMITH Keyboard attachment for Musical Instruments |
| 1940 DEZSO Attachment Keyboard Type Musical Instruments |
| 1921 HUMES Attachment Reed Musical Instruments |
| 1929 FRANCE Attachment Musical Instruments Art |