Title:
Ventilating arrangement for the rooms of a building, especially of a stall, pigsty, fwl-house or the like
Document Type and Number:
United States Patent 3363531
Inventors:
Publication Date:
01/16/1968
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Referenced by:
Export Citation:
Assignee:
Lohmann, Appbau K. G.
Primary Class:
Other Classes:
454/234
International Classes:
A01K1/00; A01K31/00; F24F3/14; F24F7/06; F24F3/12
US Patent References: