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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 |
| 5023707 | System for combining multiple audio channels into the baseband video signal and the recovery of the audio channels therefrom A system for enabling a plurality of audio signals respectively representing different languages to be recorded on a present-day video tape in a present day video tape recorder without requiring any additional space on the tape. The bands of audio signals... | 06/11/1991 |
| 4555730 | Single channel split-sound receiver for use with television set A simple inexpensive single channel split-sound receiver is provided for use with a conventional television receiver, and which is capable of selectively providing a first language sound and a second language sound for the television programs of a particu... | 11/26/1985 |
