Granted Patent
Utility
US 5,901,566 · App. 08/974,780
Heat pump
Inventors:
James R. Macosko, Brady Evans, Garry A. Harper
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Nov 20, 1997
Inventors
James R. Macosko
Brady Evans
Garry A. Harper
Assignee (at issue)
Consolidated Technology Corp.
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.