Title:
Ventilator for non-porous structures
United States Patent 2939375
US Patent References:
/0335354.html
- - 0335354

/1183670.html
- - 1183670

/1264056.html
- - 1264056

Ventilator
- - 1742185

Automobile ventilator
- - 2758533


Inventors:
John, Herman
Publication Date:
06/07/1960
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Assignee:
John, Herman
Primary Class:
454/78
Other Classes:
454/254, 454/143
International Classes:
B60H1/26; B63J2/10; F24F7/02; F24F13/14; B60H1/24; B63J2/00