Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1982-01-29
1984-08-28
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D21111
Patent
active
D02752816
REFERENCES:
patent: D133539 (1942-08-01), Dow
patent: D224542 (1972-08-01), Todeschini
patent: D247898 (1978-05-01), Plomp et al.
patent: D260260 (1981-08-01), Thomas
patent: 4087650 (1978-05-01), Tucker
Golf Digest, Nov. 1964, p. 77, golf ball radio.
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