Granted Patent
Utility
US 4,895,750 · App. 07/173,787
High-temperature tensile test specimen and methods of fabrication
Inventor:
Wilson N. Pratt
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Mar 28, 1988
Inventor
Wilson N. Pratt
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.