Electronic calculator

Details Electronic calculator Electronic calculator

2008-01-15

2008-11-11

Veynar, Caron (Department: 2913)

Printing and office machinery

Typewriter or calculator

Calculator

Design Patent

active

D0580478

CLAIM:
The ornamental design for an electronic calculator, as shown.

REFERENCES:
patent: D307032 (1990-04-01), Sawada et al.
patent: D501499 (2005-02-01), Matsuda
patent: 6874005 (2005-03-01), Fortenberry et al.
patent: D536365 (2007-02-01), Ono et al.
patent: D560712 (2008-01-01), de Brebisson

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