Counting device

Details Counting device Counting device

2007-01-09

2007-01-09

Zarfas, Louis (Department: 2914)

Office supplies; artists and teachers materials

Teaching material

Demonstrator or exhibitor

Design Patent

active

29253950

CLAIM:
The ornamental design for a counting device, as shown.

REFERENCES:
patent: 447454 (1891-03-01), Velasco
patent: 465811 (1891-12-01), Anderson
patent: 2655737 (1953-10-01), Don Dero
patent: D248332 (1978-06-01), Bailey et al.
patent: 6099377 (2000-08-01), Pridemore

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