Granted Patent
Utility
US 5,987,728 · App. 08/933,389
Method of forming a vehicle transmission clutch housing
Inventors:
David Townsend, Thomas Meier
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 19, 1997
Inventors
David Townsend
Thomas Meier
Assignee (at issue)
MascoTech, Inc.
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.