Granted Patent
Utility
US 5,804,063 · App. 08/695,638
Cooling system change-over apparatus and process
Inventors:
Richard F. Creeron, Aleksei V. Gershun, Stephen M. Woodward, Peter M. Woyciesjes
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Aug 12, 1996
Inventors
Richard F. Creeron
Aleksei V. Gershun
Stephen M. Woodward
Peter M. Woyciesjes
Assignee (at issue)
Prestone Products LLC
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.