Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1992-04-16
1994-11-08
Douglas, Alan P.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03523063
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Japanese Design Gazette, H5-92, p. 143, citing: Japanese Design Reg. No. 612,726, issued Nov. 24, 1983.
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Citizen Watch Co. Ltd.
Douglas Alan P.
Spear Robert M.
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