Granted Patent
Utility
US 6,129,794 · App. 09/141,539
Method of manufacturing a gear wheel
Inventor:
Hans Wettstein
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Aug 28, 1998
Inventor
Hans Wettstein
Assignee (at issue)
Asea Brown Boveri, S.A.
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.