Granted Patent
Utility
US 5,236,602 · App. 07/646,129
Dense fluid photochemical process for liquid substrate treatment
Inventor:
David Jackson
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jan 28, 1991
Inventor
David Jackson
Assignee (at issue)
Hughes Aircraft Company
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.