Sectional telescopic pole
United States Patent 2841634
US Patent References:
Resonator structure
- - 2749438


Inventors:
Kimball, Clarence L.
Publication Date:
07/01/1958
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Assignee:
Kimball, Clarence L.
Primary Class:
52/632
Other Classes:
248/159, 174/45R, 439/738, 473/296
International Classes:
E04H12/18; E04H12/00