| 1955 MAGNUS Harmonica Construction Patent Print |
| 1947 GUBBINS Ornamental Design Harmonica Patent 25599 |
| 1996 HAYASHI Harmonica TOMBO MUSICAL Patent 25913 |
| 1939 VASSOS New Design Harmonica Hohner Patent 25572 |
| 1955 CARLONI Ornamental Design Harmonica Patent 25656 |
| 1938 CHARLES TREVOR Harmonica Tester Patent |
| 1928 STRAUSS Ornamental Design Harmonica Patent 25496 |
| 1953 HOHNER AG MATTH Harmonica Patent Print Art |
| 1934 BENNINGTON Design Harmonica HARMATONE Patent 25525 |
| 1932 MILES Coordinate Harmonica Player Patent |
| 1934 ELKINGTON Harmonica Megaphone Patent Print |
| 1939 VASSOS Harmonica Design HOHNER Patent 42317 |
| 1965 ERNEST HAILE Harmonica Holder Patent Print |
| 1967 POCHOBRADSKY Harmonica Holder Patent Print |
| 1957 MATTH HOHNER A G FA Mouth Harmonica Patent |
| 1904 STRAUSS Design Harmonica Patent 25395 |
| 1939 DAVIES CLARENCE Harmonica Patent Print Art |
| 1954 OBST Harmonica Construction Patent Print |
| 1956 JOSEPH S KISHEL Harmonica Apparatus Patent |
| 1935 STEELE WALTER Harmonica Patent Print Art |
| 1939 VASSOS Harmonica HOHNER Patent 42318 |
| 1945 MAGNUS Chromatic Harmonica Patent Print Art |
| 1941 STEELE WALTER Harmonica Patent Print Art |
| 1928 STRAUSS Harmonica Ornamental Design Patent 25495 |
| 1934 LEAMAN FUTER Harmonica Holder Patent Print |
| 1951 TATE Harmonica Design Patent 11024 |
| 1938 HENRY SHERMAN Harmonica Holder Patent Print |
| 1942 MANIERI ETTORE Harmonica Patent Print Art |
| 1954 COSTELLO VINCENT Player Harmonica Patent |
| 1928 PERRY Accompaniment Harmonica Patent Print |
| 1926 DUSINBERRE GEORGE Harmonica Patent Print |
| 1948 FREIMAUER Fish Type Harmonica SKOLOFF Patent 25601 |
| 1925 ELIAS DAVIDSON Harmonica Holder Patent |
| 1968 KARL SCHERER Hand Harmonica Patent Print |
| 1928 NEWMAN HOHNER Harmonica Patent Artwork 3203 |
| 1930 HAUSSLER WILLIAM Harmonica Patent Print Art |
| 1939 VASSOS Design New Harmonica Hohner Patent 25571 |
| 1904 HOHNER Mouth Harmonica Music Patent 10960 |
| 1953 RUBEN Chord Playing Harmonica Patent Print |
| 1954 BEKER Compact Harmonica SCHRINER Patent 25648 |
| 1951 TATE JOHN Harmonica Patent Print Art |
| 1951 MAGNUS Harmonica Design Patent 9325 |
| 1971 TSUI Mouthpiece Reed Harmonica Patent 25799 |
| 1959 TORAHACHI Chromatic Harmonica Patent Print |
| 1952 LA GRUTTA Child'S Toy Harmonica Patent |
| 1957 MAST Simple Mouth Harmonica HOHNER Patent 25680 |
| 1954 JOSEPH S KISHEL Harmonica Apparatus Patent |
| 1940 FRIEND Chromatic Harmonica Patent Print Art |
| 1908 HOHNER Ornamental Design Harmonica Patent 25406 |
| 1941 TAYLOR FRANK Harmonica Patent Print Art |
| 1953 DELMAS Design Harmonica Ring GRACE Patent 25640 |
| 1957 FITZGERALD Harmonica Attachment Patent |
| 1933 CLARENCE PETERSON Harmonica Holder Patent |
| 1952 LA PAGLIA Harmonica Patent Print Art |
| 1954 ANTHONY Harmonica Playing Cover Patent |
| 1943 KARL SCHERER Chromatic Harmonica Patent |
| 1927 BENJAMIN YATES Harmonica Patent Print Art |
| 1948 WILLIAMS Electric Harmonica Patent 9081 |
| 1933 MINEVITCH Harmonica Design Music Patent 25523 |
| 1938 VIKTOR SKUDIES Hand Harmonica Patent Print |
| 1964 KRAFT Key Transposing Harmonica Patent |
| 1951 MAGNUS Design Accordion HARMONICA Patent 25628 |
| 1940 MOORE PAUL Harmonica Patent Print Art |
| 1945 MAGNUS FINN Harmonica Patent Print Art |
| 1957 KURT MAST Mouth Harmonica Patent Print Art |
| 1931 OVERTON ANTOINETTE Harmonica Holder Patent |
| 1904 Hohner Harmonica Patent Artwork Print 3210x |
| 1939 VASSOS Design Harmonica Hohner Patent 25570 |
| 1947 FRED SONNEN Harmonica Patent Print Art |
| 1955 WILLIAM Harmonica Construction Patent Print |
| 1954 LEGLER Ornamental Design Harmonica Patent 25653 |
| 1954 NOR COS CORP Player Harmonica Patent Print |
| 1935 WILLS Harmonica Art Print Patent |
| 1938 STEELE WALTER Harmonica Patent Print Art |
| 1929 FRANK Harmonica Music Holder Patent Print |
| 1946 MAGNUS FINN Plastic Harmonica Patent Print |
| 1876 TUTTLE Improved Harmonica Patent 25310 |
| 1953 KURT MAST Harmonica HOHNER AG MATTH Patent |
| 1966 SHIN Round Shaped Harmonica Patent Print |
| 1972 SWITZER Harmonica Patent 11040 |
| 1929 ELKINGTON Harmonica Holder Patent Print Art |
| 1965 HEATH ORAN Fingered Harmonica Patent Print |
| 1956 ZIELINSKI Harmonica Apparatus Patent Print |
| 1967 FRANK Harmonica Holder Art Print Patent |
| 1924 DUSINBERRE GEORGE Harmonica Patent Print |
| 1954 ZIELINSKI Harmonica Apparatus Patent Print |