Granted Patent
Utility
US 4,315,876 · App. 06/062,601
Method for hot press forming articles
Inventors:
Robert R. Baker, Dale L. Hartsock
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Jul 31, 1979
Inventors
Robert R. Baker
Dale L. Hartsock
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.