Teeter totter
United States Patent 1426082

Inventors:
Jacobs, Isidor M.
William, Cramer
Publication Date:
08/15/1922
View Patent Images:
Download PDF 1426082 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
TRUCK TRACTOR AND MFG COMPANY
Primary Class:
472/4
International Classes:
A63G11/00