Hoist frame
United States Patent 2446093
US Patent References:
/0590949.html
- - 0590949

/0986456.html
- - 0986456

Scaffold
- - 1586421


Inventors:
Lambert, Edward J.
Publication Date:
07/27/1948
View Patent Images:
Download PDF 2446093 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Lambert, Edward J.
Primary Class:
248/237
Other Classes:
182/45
International Classes:
B66C23/20; B66C23/00