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United States Patent 2408144

Inventors:
Hucbner, William C.
Publication Date:
09/24/1946
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Assignee:
Hucbner, William C.
Primary Class:
347/55
Other Classes:
399/239, 101/219, 101/153, 101/141, 101/DIG.037
International Classes:
B41M1/42; B41M1/00