Granted Patent
Utility
US 5,651,985 · App. 08/392,008
Expandable pharmaceutical forms
Inventors:
Gunther Penners, Klemens Lustig, Jorg Petersen-von Gehr
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Feb 21, 1995
Inventors
Gunther Penners
Klemens Lustig
Jorg Petersen-von Gehr
Assignee (at issue)
Bayer Aktiengesellschaft
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.