Printing and office machinery – Typewriter or calculator – Calculator
Patent
1999-04-22
2000-01-25
Veynar, Caron D.
Printing and office machinery
Typewriter or calculator
Calculator
1801
Patent
active
D04195884
REFERENCES:
patent: D251634 (1979-04-01), Sulek et al.
patent: D310095 (1990-08-01), Noguchi
patent: D318462 (1991-07-01), Worthylake
C.C. & L Company Limited
Veynar Caron D.
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