Title:
Watchcase
United States Patent 2226138

Inventors:
Eugen, Prestinari
Publication Date:
12/24/1940
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Assignee:
GEMEX COMPANY
Primary Class:
368/281
Other Classes:
968/288, 968/342
International Classes:
G04B33/08; G04B37/12; G04B33/00; G04B37/00