Title:
Mask
United States Patent 3042035


Inventors:
George, Coanda
Application Number:
US77920258A
Publication Date:
07/03/1962
Filing Date:
12/09/1958
Assignee:
DON BAXTER INC
Primary Class:
Other Classes:
128/207.11
International Classes:
A62B18/00
View Patent Images:
US Patent References:
Foreign References:
NL78842C
FR1100411A1955-09-20