| 1927 WALTER HANSELL Musical Instrument Patent |
| 1927 EDWARD JEROME Musical Instrument Patent |
| 1927 ALEXANDER Musical Instrument Stringed Type |
| 1927 GULICK Musical Instrument Tampion Pad Patent 17253 |
| 1927 BRUNO FRIEDEL Musical Instrument Patent |
| 1927 HORTON GEORGE Musical Instrument Patent |
| 1927 WILLIAM Musical Instrument Patent Print Art |
| 1927 JOHN W BUNKER Musical Instrument Patent |
| 1927 CHARLSTON Musical Instrument Patent Print |
| 1927 BENDER FREDERICK Musical Instrument Patent |
| 1927 LONGBOTTOM Musical Instrument Patent Print |
| 1927 WALTER Fretted Musical Instrument Patent |
| 1927 HOWE RUDOLF Musical Instrument Patent Print |
| 1927 CHARLES Musical Instrument Patent Print Art |
| 1927 WILLIAM Wood Wind Musical Instrument Art |
| 1927 ASKELSON Musical Instrument Patent Print |
| 1927 NESSELER Musical Instrument Patent Print |
| 1927 FRANK Stringed Musical Instrument Patent |
| 1927 STANISLAUS Keyboard Musical Instrument Art |
| 1927 EARL CHRISTIAN Musical Stringed Instrument |
| 1927 HERMAN Musical Instrument String Patent |
| 1927 WALTER GRETSCH Musical Instrument String |
| 1927 ARTHUR Musical Instrument Valve Pad Patent 17250 |
| 1927 SMITH CHARLES Musical Instrument Patent |
| 1927 WILLIAM Musical Stringed Instrument Patent |
| 1927 PECINA Musical String Instrument Tuner Art |
| 1927 HERMANN String Musical Instrument Patent |
| 1927 GREEN Spool Mechanism Musical Instrument Player S |