Granted Patent
Utility
US 5,547,575 · App. 08/364,394
Method for the surface modification of formed bodies and formed bodies produced thereby
Inventors:
Wolfgang Demmer, Hans-Heinrich Horl, Dietmar Nussbaumer, Abdul Weiss, Eberhard Wunn
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Dec 23, 1994
Inventors
Wolfgang Demmer
Hans-Heinrich Horl
Dietmar Nussbaumer
Abdul Weiss
Eberhard Wunn
Assignee (at issue)
Sartorius AG
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.