Granted Patent
Utility
US 6,715,377 · App. 10/031,867
Drive system
Inventor:
Stefan Frits Brouwer
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jun 7, 2002
Inventor
Stefan Frits Brouwer
Assignee (at issue)
Eaton Corporation
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.