Digital watch ring

Details Digital watch ring Digital watch ring

1980-07-22

1982-09-28

Zarfas, Louis S.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Combined

D11 2, D11 26, D11 39, D1002, D1101

Patent

active

D02663120

REFERENCES:
patent: D53436 (1919-06-01), Clarke
patent: D55559 (1920-06-01), Essayan
patent: D66910 (1925-03-01), Weed
patent: D140868 (1945-04-01), Pommier
patent: 4117662 (1978-10-01), Van der Lely
Jewelers' Circular-Keystone Directory, 6/21/78, p. 361-Ring at bottom right.
Jewelers' Circular-Keystone, 1/1980, p. 327-9 Diamond Ring at center.

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