Granted Patent
Utility
US 6,744,004 · App. 09/779,961
Method for welding a differential housing
Inventors:
Joseph Melekian, Robert H. Davis, Steven M. Foster, Nathan Clark, David M. Donegan, Bogdan T. Kolodziej, James Levinson, George Richard Thatcher, William T. Polesnak, Kenneth K. Yu
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Feb 9, 2001
Inventors
Joseph Melekian
Robert H. Davis
Steven M. Foster
Nathan Clark
David M. Donegan
Bogdan T. Kolodziej
James Levinson
George Richard Thatcher
William T. Polesnak
Kenneth K. Yu
Assignee (at issue)
Meritor Heavy Vehicle Technology, LLC
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.