Granted Patent
Utility
US 4,491,610 · App. 06/544,364
Gas curing chamber for flat substrates
Inventor:
Maher L. Mansour
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Oct 21, 1983
Inventor
Maher L. Mansour
Assignee (at issue)
Ashland Oil, 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.