Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1989-04-17
1992-02-04
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
D10 30
Patent
active
D03236277
REFERENCES:
patent: D153217 (1949-03-01), Hansen
patent: D222784 (1971-12-01), Kurth
patent: D254124 (1980-02-01), Greenfield
patent: D301693 (1989-06-01), Canta
patent: 3712046 (1973-01-01), Dill
patent: 4849949 (1989-07-01), Voth
patent: 4853908 (1989-08-01), Bourquin et al.
patent: 4995015 (1991-02-01), Chiang
Holtje Nelson C.
Veynar Caron D.
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