Title:
Safety hat
United States Patent 2339080

Inventors:
Karabin, Edward V.
Publication Date:
01/11/1944
View Patent Images:
Download PDF 2339080 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
2/410
Other Classes:
D29/105
International Classes:
A42B3/10; A42B3/04