Granted Patent
Utility
US 5,420,398 · App. 07/982,212
Temperature detection device
Inventors:
Heinz Petri, Siegfried Mannuss
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Nov 25, 1992
Inventors
Heinz Petri
Siegfried Mannuss
Assignee (at issue)
E.G.O. Elektro-Gerate Blanc u. Fischer
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.