Granted Patent
Utility
US 5,403,621 · App. 08/130,671
Coating process using dense phase gas
Inventors:
David Jackson, Orval F. Buck
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Oct 1, 1993
Inventors
David Jackson
Orval F. Buck
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.