Title:
Fountain clock
Document Type and Number:
United States Patent 2594877
Inventors:
Albert, Crockett Geoffrey
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Publication Date:
04/29/1952
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Referenced by:
Export Citation:
Assignee:
Albert, Crockett Geoffrey
Primary Class:
Other Classes:
968/213, 368/223, 239/18
International Classes:
G04B19/30