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George Gobel
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| Number | Title | Issue Date |
| 4570522 | Electro-acoustically amplified drum and mounting bracket An electro-acoustically amplified drum assembly consists of a hollow drum shell with a drum head closing one or both end thereof. An acoustical microphone is positioned in the drum shell spaced from and free from any connection to the drum head and has le... | 02/18/1986 |
| 4350338 | Football practice aid A football practice aid consists of a special harness arrangement for use with a regulation little league, junior high school, high school, college or professional type football. The harness comprises a plurality of non-elastic cords of a size to fit into... | 09/21/1982 |
| 4211144 | Adjustable pitch drum An adjustable pitch drum consists of a drum shell having an open end and a drum head pitch changing mechanism and supporting means therefor supported on said shell. The pitch changing mechanism consists of an annular, externally threaded member supported ... | 07/08/1980 |
| 4168646 | Electro-acoustically amplified drum An electro-acoustically amplified drum consists of a hollow drum shell having at least one open end, a drum head spaced from the open end of said drum shell and supported thereon, and a microphone supported on and positioned within said drum shell and ada... | 09/25/1979 |