Granted Patent
Utility
US 5,286,108 · App. 07/891,515
Fixture for performing tensile tests at extremely high temperature
Inventors:
Walter J. Whatley, Gregory M. Duchnak
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jun 1, 1992
Inventors
Walter J. Whatley
Gregory M. Duchnak
Assignee (at issue)
Hughes Missile Systems 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.