Granted Patent
Utility
US 5,223,718 · App. 07/927,820
Method and apparatus for quantifying thermal oxidation tester tube deposits
Inventor:
John Taboada
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Aug 10, 1992
Inventor
John Taboada
Assignee (at issue)
Alcor, 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.