Granted Patent
Utility
US 4,732,110 · App. 07/045,258
Inverted positive vertical flow chemical vapor deposition reactor chamber
Inventor:
James D. Parsons
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: Apr 20, 1987
Inventor
James D. Parsons
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.