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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 3958190 | Low harmonic crystal oscillator A colpitts oscillator having a tank circuit and a common base connected transistor, operating in a linear range, with an emitter-base junction coupled in the tank circuit and a load in the collector circuit thereof for passing current through the load at ... | 05/18/1976 |
| 3938156 | Radio communication transmitter A multi-channel radio communication system comprising a number of stations for the transmission of speech between the stations, each station transmitting not only the speech signal but also a special so-called busy signal located in a frequency band beyon... | 02/10/1976 |
