Granted Patent
Utility
US 5,965,264 · App. 08/921,357
Powders providing controlled sustained release of a gas
Inventors:
Sumner A. Barenberg, Peter N. Gray, Michael Lelah
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Aug 29, 1997
Inventors
Sumner A. Barenberg
Peter N. Gray
Michael Lelah
Assignee (at issue)
Bernard Technologies, 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.