Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1978-09-28
1981-01-27
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 53, D1403
Patent
active
D02580616
REFERENCES:
patent: D221005 (1971-06-01), Garrett et al.
patent: 2420638 (1947-05-01), Hellmann
Trub-L-Shooter, CMC Brochure, Dec. 12, 1970, p. 27, hand test telephone.
Metro Tel Corp., Test Equipment Brochure Model 1011.
Ansher Bernard
Dracon Industries
Flehr Paul D.
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