Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1983-05-25
1986-01-28
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 92, D14 62, D14 60, D14 52
Patent
active
D02823608
REFERENCES:
patent: D232226 (1974-07-01), Bee et al.
patent: D238186 (1975-12-01), Kramer et al.
patent: D247174 (1978-02-01), Janda
patent: D269432 (1983-06-01), Kowalik et al.
patent: D274518 (1984-07-01), Doodson
patent: D275753 (1984-10-01), Mahan
patent: D277098 (1985-01-01), Mark
patent: D277282 (1985-01-01), Barton et al.
patent: 3916103 (1975-10-01), Morrell et al.
Telesis, vol. 3, No. 3, Fall 1973-article showing on p. 83 the new "Companion" hands-free phone set.
Article re GTE Type 883A Residential "Speakerphone", Mar. 1977, pp. 275-279; view on p. 276.
RadioShack 1981 Cat. No. 328 .COPYRGT.1980; "Duofone"TAD-15 on p. 94.
Makihara Kendo
Yamagata Hiroshi
Burke Wallace R.
Fay Horace B.
Sharp Corporation
LandOfFree
Intercommunication unit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Intercommunication unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intercommunication unit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1298282