Wrist-borne exercise display device

Measuring – testing – or signalling instruments – Dial – indicator hand – or other element or attachment – Dial or face plate

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Details

D21 13, D21240, D21191

Patent

active

D03640973

REFERENCES:
patent: D59051 (1921-09-01), Wilcox
patent: D141679 (1945-06-01), Derderian
patent: D269501 (1983-06-01), Sato
patent: D276844 (1984-12-01), Eaton
patent: D279966 (1985-08-01), Kano
patent: D345028 (1984-03-01), Baranga
patent: 3792243 (1974-02-01), Appel
patent: 4952051 (1990-08-01), Lovell
patent: 5082281 (1992-01-01), Berghofer
patent: 5296845 (1994-03-01), Hauer
Jeweler's Circular-Keystone--May 1977--p. 91--watch at top right.
Honk Kong Enterprise--Nov. 1981--p. 124--Game watch at top.
Popular Mechanics--Jan. 1952--p. 430--Swing teacher at right.

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