Granted Patent
Utility
US 5,269,459 · App. 07/900,621
Thermally responsive expansion valve
Inventors:
Michael R. Thompson, Peter Malone, Peter J. Malone
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Jun 18, 1992
Inventors
Michael R. Thompson
Peter Malone
Peter J. Malone
Assignee (at issue)
Eaton 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.