Remote-control counterbalance tilting joint for umbrellas
United States Patent 2475406
US Patent References:
Rearview mirror
- - 2315260


Inventors:
Russell, Ray A.
Publication Date:
07/05/1949
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Assignee:
Russell, Ray A.
Primary Class:
135/74
Other Classes:
403/166, 74/53, 403/59, 403/81, 74/57
International Classes:
A45B17/00
Foreign References:
GB183908086A
AT50718B