Wristwatch and pulse rate monitor

Details Wristwatch and pulse rate monitor Wristwatch and pulse rate monitor

1994-11-07

1996-01-23

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Combined

D10 32

Patent

active

D03664252

REFERENCES:
patent: D287403 (1986-12-01), Kiiski
patent: D303092 (1989-08-01), Wakamatsu
patent: D323993 (1992-02-01), Lee
patent: D331020 (1992-11-01), Ishii
patent: D331021 (1992-11-01), Ishii
patent: D345926 (1994-04-01), Houlihan
patent: D355610 (1995-02-01), Sagita
patent: 4280506 (1981-07-01), Zurcher
patent: 4305401 (1981-12-01), Reissmueller
patent: 4450843 (1984-05-01), Barney
patent: 4807639 (1989-02-01), Shimizu

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