Granted Patent
Utility
US 6,601,428 · App. 09/786,021
Method for producing a gear rack, and a stamping device for carrying out the method
Inventor:
Alfred Brenner
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Apr 9, 2001
Inventor
Alfred Brenner
Assignee (at issue)
ZF Lenksysteme 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.