| 1928 CONN LTD C G Musical Instrument Case Patent |
| 1942 CONN LTD C G Wind Musical Instrument Patent |
| 1932 CONN LTD C G Tuning Wind Musical Instruments |
| 1935 CONN LTD C G Reed Musical Instrument Patent |
| 1952 CONN LTD C G Woodwind Musical Instrument |
| 1920 CONN LTD C G Key Mount Wind Musical Instruments |
| 1934 CONN LTD C G Wind Musical Instrument Patent |
| 1931 CONN LTD C G Key Spatule Musical Instruments |
| 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 |
| 1951 CONN LTD C G Switch Electrical Musical Instruments |
| 1962 CONN LTD C G Electrical Musical System Art |
| 1956 CONN LTD C G Electrical Musical Instruments |
| 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 |
| 1931 CONN LTD C G Tuning Wind Musical Instruments |
| 1932 CONN LTD C G Musical Instrument Case Patent |
| 1933 CONN LTD C G Thumb Hook Musical Instruments |
| 1933 CONN LTD C G Musical Trap Holder Patent |
| 1942 CONN LTD C G Percussion Musical Instrument |
| 1940 CONN LTD C G Musical Instrument Patent |
| 1929 CONN LTD C G Mouthpiece Musical Instruments |
| 1932 CONN LTD C G Wind Musical Instrument Patent |
| 1929 CONN LTD C G Tuning Wind Musical Instruments |
| 1930 CONN LTD C G Key Pad Wind Musical Instruments |
| 1957 CONN LTD C G Oscillator Musical Instrument |
| 1931 CONN LTD C G Tuning Musical Instruments Art |
| 1935 CONN LTD C G Percussion Musical Instrument |
| 1933 CONN LTD C G Wind Musical Instrument Patent |