Title:
Liquid level control means
United States Patent 2798135

Inventors:
Graham, Frank O.
Publication Date:
07/02/1957
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Assignee:
TEMPRITE PRODUCTS CORP
Primary Class:
200/190
Other Classes:
200/236, 261/27, 200/231
International Classes:
G05D9/12; G05D9/00
US Patent References:
2623969Electrode for contact with molten glass
2735665