Granted Patent
Utility
US 6,324,853 · App. 09/672,256
De-icing for low temperature refrigeration devices
Inventors:
Allan Kelly, Paul Steinhoff
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Sep 28, 2000
Inventors
Allan Kelly
Paul Steinhoff
Assignee (at issue)
SPX 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.