Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1984-02-07
1986-05-27
Zarfas, Louis S.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
Patent
active
D02839849
REFERENCES:
patent: D263687 (1982-04-01), Fukumura
patent: D271473 (1983-11-01), Dobashi
Design, 5/1982, p. 43--Watch at top right.
Jewelers' Circular-Keystone, 8/1983, p. 177--Citizen Temp--Sensor watch.
Citizen Watch Co. Ltd.
Zarfas Louis S,.
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