SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Toilet ventilator
United States Patent 2320065
Inventors:
Briscoe, Charles F.
Graham, Harvey L.
Publication Date:
05/25/1943
View Patent Images:
Download PDF 2320065
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Briscoe, Charles F.
Graham, Harvey L.
Primary Class:
4/213
Other Classes:
200/61.700, 200/85R, 200/61.830
International Classes:
E03D9/052
;
E03D9/04