Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1991-01-16
1993-03-02
Word, A. Hugo
Printing and office machinery
Typewriter or calculator
Element or attachment
D18 56, D18 46, D 6480, D 6482
Patent
active
D03336735
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IBM Technical Disclosure Bulletin; Jul. 1979; p. 473; Moveable Edge Guide.
Riggs Barbara R.
Riggs David
Gernstein Terry M.
MacCormac CathyAnne
Word A. Hugo
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