Granted Patent
Utility
US 5,006,505 · App. 07/229,883
Peltier cooling stage utilizing a superconductor-semiconductor junction
Inventor:
Matthew M. Skertic
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Aug 8, 1988
Inventor
Matthew M. Skertic
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.