Digital pocket watch

Details Digital pocket watch Digital pocket watch

1990-08-17

1993-03-30

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Pocket type

D10 15, D10 22

Patent

active

D03343472

REFERENCES:
patent: D235741 (1975-07-01), Friedman
patent: D257003 (1980-09-01), Yamagami
patent: D257004 (1980-09-01), Ohie
patent: D270244 (1983-08-01), McCormick
patent: D274316 (1984-06-01), Yeung
patent: D279459 (1985-07-01), On
patent: D282446 (1986-02-01), Gremonpriez
patent: D290371 (1987-06-01), Slayer
patent: D303767 (1989-10-01), Baird
Hong Kong Enterprise--Jun. 1990--p. 76--clock at bottom left.

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