Granted Patent
Utility
US 5,794,450 · App. 08/778,931
Remotely located pulse tube for cooling electronics
Inventor:
Arthur R. Alexander
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Jan 3, 1997
Inventor
Arthur R. Alexander
Assignee (at issue)
NCR Corporation
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.