Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transmitter
Patent
1992-02-04
1994-03-08
Feifer, Melvin B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transmitter
Patent
active
D03449424
REFERENCES:
patent: D189849 (1961-03-01), Koch
patent: D287145 (1986-12-01), Shilton et al.
patent: D300306 (1989-03-01), Arnoux et al.
patent: D331200 (1992-11-01), Garcia-Victoria
Allgood, Jr. Ben L.
Gilman David J.
Hall Jack P.
Lima David J.
Tang John G.
Feifer Melvin B.
Schatzel Thomas E.
Shelton Richelle
Trimble Navigation Limited
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