Granted Patent
Utility
US 5,320,201 · App. 07/989,968
Truck brake drum with increased cooling
Inventor:
Jay D. White
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Dec 11, 1992
Inventor
Jay D. White
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.