Measuring – testing – or signalling instruments – Watch – wristwatch or case – Combined
Patent
1990-12-13
1993-03-02
Douglas, Alan P.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Combined
D10 39, D10 68, D10 62
Patent
active
D03336263
REFERENCES:
patent: D166718 (1952-05-01), Schrager
patent: D178091 (1956-06-01), Sparks
patent: D220209 (1971-03-01), Brigham
patent: D302124 (1989-07-01), Bevins
patent: D302125 (1989-07-01), Bevins
patent: D320356 (1991-10-01), Boyer et al.
patent: D324828 (1992-03-01), Wunderman
patent: 3475902 (1969-11-01), Wessel
patent: 3596463 (1971-08-01), Rudolph
patent: 3888127 (1975-06-01), Shamlian
patent: 4183206 (1980-01-01), Porsche et al.
patent: 4796240 (1989-01-01), Stevens
patent: 5077780 (1991-12-01), Schneider
Davis Antoine D.
Douglas Alan P.
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