Title:
Air curtain
United States Patent 3362469


Inventors:
Erling, Berner
Berner, Christian E. E.
Application Number:
US51809466A
Publication Date:
01/09/1968
Filing Date:
01/03/1966
Assignee:
BERNER IND INC
Primary Class:
Other Classes:
62/256, 165/DIG.310, 392/363, 392/372, 415/1, 415/53.3, 415/126, 415/148, 415/167, 415/173.2, 415/177, 415/180, 415/206, 415/212.1, 417/411, 454/188
International Classes:
E04H3/08; F24F9/00
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