SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Shovel
United States Patent 2396089
Inventors:
Cross, David L.
Publication Date:
03/05/1946
View Patent Images:
Download PDF 2396089
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Cross, David L.
Primary Class:
294/54.500
Other Classes:
209/419, 56/400.210
International Classes:
E01H5/02
;
E01H5/00