Granted Patent
Utility
US 5,738,198 · App. 08/375,913
Friction element for use in clutches
Inventors:
Ernst Walth, Georg Weidner
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jan 20, 1995
Inventors
Ernst Walth
Georg Weidner
Assignee (at issue)
LuK Getriebe-Systeme 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.