Telescoping pole
United States Patent 3103375
US Patent References:
/0942490.html
- - 0942490

Telescoping core-drill
- - 1896469

Extension for a tubular chair leg
- - 2722970


Inventors:
Mcmullin, Earl L.
Publication Date:
09/10/1963
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Assignee:
Mcmullin, Earl L.
Primary Class:
403/300
Other Classes:
248/188.500
International Classes:
F16B7/12