Assignee
JOHNSON J RALPH
2 granted patents·9 citations·filing 1976–1982
Top patents by PatentIndex Score
2 records- 0132US4448362AMethod of and apparatus for the tape loading and use of a single turntable in the rendition of a taped programJOHNSON J RALPH·Filed 1982·Granted May 15, 1984·5 cites·7 claims
- 0229US4066221AMethod of and apparatus for the tape loading and use of a single turntable in the rendition of a taped programJOHNSON J RALPH·Filed 1976·Granted Jan 3, 1978·4 cites·10 claims
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