Granted Patent
Utility
US 5,603,449 · App. 08/411,930
Forming of diffusion bonded joints in superplastically formed metal structures
Inventors:
Martin H. Mansbridge, David J. Irwin
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Mar 28, 1995
Inventors
Martin H. Mansbridge
David J. Irwin
Assignee (at issue)
British Aerospace Public Limited Co.
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.