Granted Patent
Utility
US 5,528,151 · App. 07/973,499
Thermal fatigue testing using plural test trips with graduated sizing and recessed anchoring
Inventor:
Frank Perez
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Nov 9, 1992
Inventor
Frank Perez
Assignee (at issue)
Hughes Aircraft 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.