Granted Patent
Utility
US 6,437,239 · App. 09/643,808
Protection device and method of determining exposure temperature
Inventor:
Robert Zayatz
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 22, 2000
Inventor
Robert Zayatz
Assignee (at issue)
Wilson Greatbatch, Ltd.
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.