Precipitator indicating system
United States Patent 2217481

Inventors:
Hildebrand, Ralph L.
Yost, Irvine A.
Publication Date:
10/08/1940
View Patent Images:
Download PDF 2217481 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
WESTINGHOUSE ELECTRIC & MFG CO
Primary Class:
96/23
Other Classes:
96/79
International Classes:
B03C3/68; B03C3/66