Title:
Air-conditioned helmet
United States Patent 3223086
US Patent References:
/0735790.html
- - 0735790
/1244559.html
- - 1244559
Fireman's helmet and the like
- - 1492577
Face mask or shield
- - 2525236
Apparatus for protecting workmen from dust
- - 2688962
/0735790.html
- - 0735790
/1244559.html
- - 1244559
Fireman's helmet and the like
- - 1492577
Face mask or shield
- - 2525236
Apparatus for protecting workmen from dust
- - 2688962
Inventors:
Denton, Robert F.
Publication Date:
12/14/1965
View Patent Images:
Export Citation:
Assignee:
Arthur, Adams R.
Primary Class:
Other Classes:
2/10, D29/110, 2/410
International Classes:
A42B3/28; A62B18/04; A42B3/04; A62B18/00