Granted Patent
Utility
US 5,533,346 · App. 08/252,218
Heat pump and method
Inventors:
John O. Freeman, Richard H. Howse, Tim Reinhart
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Jun 1, 1994
Inventors
John O. Freeman
Richard H. Howse
Tim Reinhart
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.