SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Supporter
United States Patent 1637706
Inventors:
Pfaltzgraff, Hattie M.
Publication Date:
08/02/1927
View Patent Images:
Download PDF 1637706
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Pfaltzgraff, Hattie M.
Primary Class:
128/96.100
Other Classes:
450/106
International Classes:
A61F5/03
;
A61F5/01