Granted Patent
Utility
US 4,497,973 · App. 06/470,154
Thermoelectric device exhibiting decreased stress
Inventors:
Donald L. Heath, Der Jeou Chou
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Feb 28, 1983
Inventors
Donald L. Heath
Der Jeou Chou
Assignee (at issue)
ECD-ANR Energy Conversion 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.