Granted Patent
Utility
US 4,464,064 · App. 06/369,403
Temperature control monitor
Inventor:
John S. D'Luzansky
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Apr 19, 1982
Inventor
John S. D'Luzansky
Assignee (at issue)
Packaging Industries Group, Inc.
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.