Granted Patent
Utility
US 5,806,206 · App. 08/916,381
Gas distributor for vertical gas/solid reactors
Inventor:
Joel B. Christian
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Aug 22, 1997
Inventor
Joel B. Christian
Assignee (at issue)
OSRAM SYLVANIA 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.