SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Title:
Ear protector
United States Patent 2573923
US Patent References:
Hearing guard and ear protector
- - 2427664
Embalming appliance
- - 2437381
Ear insert for earphones
- - 2487038
Inventors:
David, Mezz
Publication Date:
11/06/1951
View Patent Images:
Download PDF 2573923
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
David, Mezz
Primary Class:
128/864
International Classes:
A61F11/08
;
A61F11/00
Foreign References:
GB103864A
DE344525C
DE465891C