Granted Patent
Utility
US 6,694,753 · App. 10/196,536
Defrost delay module
Inventors:
Douglas C. Lanz, James Charles Johncock
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jul 16, 2002
Inventors
Douglas C. Lanz
James Charles Johncock
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE 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.