Digital watch

Details Digital watch Digital watch

1988-07-06

1991-08-20

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Combined

Patent

active

D03191923

REFERENCES:
patent: D264055 (1982-04-01), Suzuki
patent: D265295 (1982-07-01), Wada
patent: D271946 (1983-12-01), Dobashi
patent: D278685 (1985-05-01), Suzuki et al.
patent: D279081 (1985-06-01), Suzuki et al.
patent: D300210 (1989-03-01), Houlihan
patent: D310332 (1990-09-01), Wong
patent: 4316272 (1982-02-01), Naito
patent: 4477194 (1984-10-01), Michet et al.
patent: 4668100 (1987-05-01), Morakami et al.
Hong Kong Enterprise, G11SKB Chrono-Alarm Dual-Timer, 6/1978, p. 75.
Hong Kong Enterprise, 38104CHR/AM29, 10/1987, p. 331.
Jewelry Chronical and Keystone, Watches, 10/1985, p. 127.

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