Granted Patent
Utility
US 4,977,752 · App. 07/458,278
Transport refrigeration including methods and apparatus for optmizing same
Inventor:
Jay L. Hanson
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Dec 28, 1989
Inventor
Jay L. Hanson
Assignee (at issue)
THERMO KING LLC
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.