Granted Patent
Utility
US 5,237,967 · App. 08/001,989
Powertrain component with amorphous hydrogenated carbon film
Inventors:
Pierre A. Willermet, Arup Kumar Gangopadhyay, Michael Alan Tamor, William C. Vassell
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Jan 8, 1993
Inventors
Pierre A. Willermet
Arup Kumar Gangopadhyay
Michael Alan Tamor
William C. Vassell
Assignee (at issue)
Ford Motor Company
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.