Granted Patent
Utility
US 5,725,447 · App. 08/572,536
Power train with infinitely variable ratio transmission
Inventors:
Oswald Friedmann, Urban Panther, Ivo Agner
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Dec 14, 1995
Inventors
Oswald Friedmann
Urban Panther
Ivo Agner
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.