Title:
Pole climbing safety device and seat
Document Type and Number:
United States Patent 2879830
Inventors:
Johnson, John M.
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Sponsored by: Flash of Genius |
Publication Date:
03/31/1959
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Referenced by:
Export Citation:
Assignee:
Johnson, John M.
Primary Class:
Other Classes:
182/187
International Classes:
A63B27/00
US Patent References:
Foreign References:
| FR368920A | ||||
| GB729566A |