Granted Patent
Utility
US 4,375,369 · App. 06/264,926
Method and apparatus for controlling temperatures within a stream of molten material
Inventors:
Gary C. Border, Richard A. Patznick
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: May 18, 1981
Inventors
Gary C. Border
Richard A. Patznick
Assignee (at issue)
Manville Service Corporation
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.