Printing and office machinery – Typewriter or calculator – Calculator
Patent
1996-06-14
1998-03-24
Veynar, Caron D.
Printing and office machinery
Typewriter or calculator
Calculator
1801
Patent
active
D03926699
REFERENCES:
patent: D257512 (1980-11-01), Barner et al.
patent: D309471 (1990-07-01), Perelli et al.
patent: D333315 (1993-02-01), Sereika et al.
Monroe Systems for Business, Inc.
Veynar Caron D.
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