Granted Patent
Utility
US 5,183,104 · App. 07/798,821
Closed-cycle expansion-valve impingement cooling system
Inventor:
Shlomo Novotny
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Nov 1, 1991
Inventor
Shlomo Novotny
Assignee (at issue)
Digital Equipment 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.