Title:
Instrument holder
United States Patent 1975303

Inventors:
Harold, Walker
Adams, Mortimer C.
Publication Date:
10/02/1934
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Assignee:
Harold, Walker
Adams, Mortimer C.
Primary Class:
248/125.100
Other Classes:
248/315, 248/296.100, 248/201, 984/257
International Classes:
G10G5/00