Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1980-05-09
1982-06-22
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
D1002
Patent
active
D02650622
REFERENCES:
patent: 4209973 (1980-07-01), Maezawa
patent: 4236239 (1980-11-01), Imgruth
Hong Kong Trader-vol.-6/79-p. 65-watches at top-center and lower left.
Hong Kong Trader-vol.-6/79-p. 132-watches at top-right and far-left.
Swiss Watch Jewelry Journal-2/77-p. 223-watch at top-left.
European Jeweler-6/76-p. 27-watch at top-right.
Holtje Nelson C.
Kabushiki Kaisha Suwa Seikosha
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