Granted Patent
Utility
US 5,908,504 · App. 08/530,612
Method for tuning barrel reactor purge system
Inventor:
Thomas M. Hanley
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Sep 20, 1995
Inventor
Thomas M. Hanley
Assignee (at issue)
MEMC Electronic Materials, 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.