Title:
Ladder jack
United States Patent 2578862
US Patent References:
/0471762.html
- - 0471762

/0549037.html
- - 0549037

/0966244.html
- - 0966244

/1566722.html
- - 1566722

Platform bracket for ladders
- - 2104987


Inventors:
Tims, Tony C.
Publication Date:
12/18/1951
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Assignee:
Tims, Tony C.
Primary Class:
248/238
Other Classes:
182/121, 182/117
International Classes:
E06C7/16; E06C7/00
US Patent References:
2490773Tensiometer