Granted Patent
Utility
US 5,603,784 · App. 08/407,732
Method for producing a rotatable gray iron brake component
Inventor:
Stephen M. Bay
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Mar 20, 1995
Inventor
Stephen M. Bay
Assignee (at issue)
Dayton Walther 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.