Granted Patent
Utility
US 6,547,895 · App. 09/768,541
Superplastic multi-layer forming
Inventors:
John R. Bradley, John E. Carsley, Jacob Lyjak
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jan 25, 2001
Inventors
John R. Bradley
John E. Carsley
Jacob Lyjak
Assignee (at issue)
General Motors 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.