Granted Patent
Utility
US 5,538,399 · App. 08/460,115
Reservoir enclosure methods
Inventor:
Jay G. Johnson
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Jun 2, 1995
Inventor
Jay G. Johnson
Assignee (at issue)
SIMS Deltec, 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.