CLIMBING APPARATUS ADAPTED FOR INSTALLATION ON PIERS AND THE LIKE
United States Patent 3480107
US Patent References:
Scuttle ladder
- - 1621539

Stairway
- - 2336169

Boat construction
- - 3052896


Inventors:
Goodhue, John B.
Publication Date:
11/25/1969
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Assignee:
John, Goodhue B.
Primary Class:
182/97
Other Classes:
182/115
International Classes:
E02B3/06; E06C9/06; E06C7/16
Foreign References:
FI32223A




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