Printing and office machinery – Typewriter or calculator
Patent
1979-12-14
1981-11-24
Spangler, Robert C.
Printing and office machinery
Typewriter or calculator
D1801
Patent
active
D02620367
REFERENCES:
patent: D230510 (1974-02-01), Sakow
patent: D230638 (1974-03-01), Baughman
patent: D231263 (1974-04-01), Dietrich
patent: D235806 (1975-07-01), Abend et al.
patent: D241170 (1976-08-01), Metzner
patent: D253178 (1979-10-01), Osit
patent: D257561 (1980-11-01), Christie
Sears, Roebuck and Co., Fall/Winter 1978 Catalog, (Eastern Edition 257H) p. 1097, typewriter in bottom right corner.
The Washington Post, Thurs. Mar. 25, 1976, p. D17, Sears "Communicator 1", typewriter.
Mear, III William E.
SCM Corporation
Spangler Robert C.
Weinberger Ernest F.
Wolson Milton M.
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