Title:
Escape ladder
Document Type and Number:
United States Patent 3313374
Inventors:
Teach, Virgil V.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
04/11/1967
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Referenced by:
Export Citation:
Assignee:
Teach, Virgil V.
Primary Class:
Other Classes:
182/94, 182/97
International Classes:
E06C9/08; E06C9/00
US Patent References:
Foreign References:
| GB578749A |