Granted Patent
Utility
US 4,427,993 · App. 06/209,001
Thermal stress relieving bimetallic plate
Inventors:
Julie Y. Fichot, Alfred Roesch
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Nov 21, 1980
Inventors
Julie Y. Fichot
Alfred Roesch
Assignee (at issue)
General Electric Company
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.