Furnace construction
United States Patent 2071069

Inventors:
Herbert, Heitman
Publication Date:
02/16/1937
View Patent Images:
Download PDF 2071069 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Herbert, Heitman
Primary Class:
52/562
Other Classes:
52/506.020, 52/713
International Classes:
F27D1/14