SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Key check and rack
United States Patent 2159322
Inventors:
Arthur, Drummond
Publication Date:
05/23/1939
View Patent Images:
Download PDF 2159322
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Arthur, Drummond
Primary Class:
40/657
Other Classes:
40/634, 40/330, 211/85.900
International Classes:
A47G29/10
;
A47G29/00