Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-10-29
1994-03-01
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03447162
REFERENCES:
patent: D312821 (1990-12-01), Kemp
patent: D326619 (1992-06-01), Soloway
patent: 4799083 (1989-01-01), Knodt
Barber-Colman Brochure No. 1625/ML1-1, printed May, 1991 and entitled Maco 8000 VA-Plastics Manufacturing Control System.
Two brochure pages (publication date unknown) disclosing a Siemens OP 398 K operator panel.
Degnen Stephen M.
Munger Richard H.
Spahr David K.
Barber-Colman Company
Burke Wallace R.
Nunn Freda S.
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