Granted Patent
Utility
US 5,386,080 · App. 07/994,921
Apparatus and methods for controlling high temperature gases
Inventor:
David F. Brashears
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Dec 22, 1992
Inventor
David F. Brashears
Assignee (at issue)
Thermotech Systems 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.