Granted Patent
Utility
US 4,854,995 · App. 07/096,274
Delivery system of strippable extrusion coated films for medical applications
Inventors:
Klaus B. Kasper, Tom Hon Pan Yip
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Sep 9, 1987
Inventors
Klaus B. Kasper
Tom Hon Pan Yip
Assignee (at issue)
Bertek, 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.