Granted Patent
Utility
US 6,449,968 · App. 10/061,703
Method and apparatus for refrigeration system control having electronic evaporator pressure regulators
Inventors:
Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Feb 1, 2002
Inventors
Abtar Singh
Jim Chabucos
Paul Wickberg
John Wallace
Assignee (at issue)
Computer Process Controls, Inc.
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.