Combined telephone amplifier and pen holder

Details Combined telephone amplifier and pen holder Combined telephone amplifier and pen holder

1984-07-05

1986-12-09

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 34, D14 60, D19 85, 379443

Patent

active

D02871270

REFERENCES:
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patent: D264224 (1982-05-01), Henkels
patent: 3747880 (1973-07-01), Bock
patent: 3991288 (1976-11-01), George et al.

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