SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Raising and traversing gear
United States Patent 1635617
Inventors:
Thomas, Hall
Publication Date:
07/12/1927
View Patent Images:
Download PDF 1635617
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Thomas, Hall
Primary Class:
254/85
International Classes:
B61K5/00