Granted Patent
Utility
US 5,921,092 · App. 09/039,902
Fluid defrost system and method for secondary refrigeration systems
Inventors:
John A. Behr, John Roche, Doron Shapiro
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Mar 16, 1998
Inventors
John A. Behr
John Roche
Doron Shapiro
Assignee (at issue)
Hussmann 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.