Granted Patent
Utility
US 5,543,299 · App. 08/368,810
Extender containing polymer compositions and uses thereof
Inventors:
Eric R. Diebold, Myron Rapkin, Abol Azhar, Arthur M. Usmani
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Jan 5, 1995
Inventors
Eric R. Diebold
Myron Rapkin
Abol Azhar
Arthur M. Usmani
Assignee (at issue)
Boehringer Mannheim GmbH
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.