| 1928 CONN LTD C G Musical Instrument Case Patent |
| 1942 CONN LTD C G Wind Musical Instrument Patent |
| 1935 CONN LTD C G Reed Musical Instrument Patent |
| 1952 CONN LTD C G Woodwind Musical Instrument |
| 1934 CONN LTD C G Wind Musical Instrument Patent |
| 1938 CONN LTD C G Wood Wind Instrument Patent |
| 1962 CONN LTD C G Musical Instrument Valve Mechanism |
| 1937 CONN LTD C G Musical Instrument Patent |
| 1939 CONN LTD C G Musical Instrument Patent |
| 1961 CONN LTD C G Wind Instrument Cup Mouthpiece Type |
| 1957 CONN LTD C G Valved Wind Instrument Patent |
| 1933 CONN LTD C G Percussion Musical Instrument |
| 1931 CONN LTD C G Wind Musical Instrument Patent |
| 1961 CONN LTD C G Musical Instrument Valve Construction |
| 1932 CONN LTD C G Musical Instrument Case Patent |
| 1942 CONN LTD C G Percussion Musical Instrument |
| 1940 CONN LTD C G Musical Instrument Patent |
| 1932 CONN LTD C G Wind Musical Instrument Patent |
| 1939 CONN LTD C G Wood Wind Instrument Patent |
| 1951 CONN LTD C G Woodwind Instrument Patent |
| 1957 CONN LTD C G Oscillator Musical Instrument |
| 1935 CONN LTD C G Percussion Musical Instrument |
| 1933 CONN LTD C G Wind Musical Instrument Patent |