Granted Patent
Utility
US 4,071,586 · App. 05/735,279
Variable orifice desuperheater
Inventor:
Fritz O. Seger
Patented Case
View Patent ↗
Granted: Jan 31, 1978
Filed: Oct 26, 1976
Inventor
Fritz O. Seger
Assignee (at issue)
Copes-Vulcan, Inc.
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.