Title:
Lifting jack
United States Patent 1674397

Inventors:
Hopkins, Arthur C.
Publication Date:
06/19/1928
View Patent Images:
Download PDF 1674397 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
NAT STANDARD CO
Primary Class:
254/6B
Other Classes:
254/2B
International Classes:
B66F5/02; B66F5/00