Activity clock

Details Activity clock Activity clock

1998-04-03

1999-11-16

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Clock or clock case

Combined

D10 22, D10126, 1001

Patent

active

D04164920

REFERENCES:
patent: D102089 (1936-11-01), Moro
patent: D132622 (1942-06-01), Johnson
patent: D171958 (1954-04-01), Spooner
patent: D217728 (1970-06-01), Wilson
patent: D295964 (1988-05-01), Woodward
patent: D355608 (1995-02-01), Resende
patent: D358995 (1995-06-01), Resende
patent: 2014168 (1935-09-01), Canepa
patent: 4208870 (1980-06-01), Cullom
patent: 4222227 (1980-09-01), Arabian
patent: 4466743 (1984-08-01), Ruff

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