Granted Patent
Utility
US 5,653,112 · App. 08/285,373
Cryocooler system with welded cold tip
Inventor:
Laurence S. Gresko
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Aug 3, 1994
Inventor
Laurence S. Gresko
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.