Granted Patent
Utility
US 6,799,439 · App. 09/601,905
Method for equalizing temperature differences in molten glass, and equipment therefor
Inventors:
Nils Lindskog, Paul Buettiker
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Oct 4, 2000
Inventors
Nils Lindskog
Paul Buettiker
Assignee (at issue)
KANTHAL AB
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.