IP Library › Granted Patent US 4,345,106
Granted Patent Utility
US 4,345,106 · App. 06/194,481

Method of and apparatus for detecting the level of molten glass in a glass melting furnace

Inventors: Sheldon A. Canfield, Paul S. Sanik
Patented Case View Patent ↗
Granted: Aug 17, 1982 Filed: Oct 6, 1980
Inventors
Sheldon A. Canfield
Paul S. Sanik
Assignee (at issue)
Owens-Corning Fiberglas Corp.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,345,106
App. No.
06/194,481
Filed
1980-10-06
Granted
1982-08-17
Kind
A