Granted Patent
Utility
US 5,257,463 · App. 07/878,628
Method and apparatus for cooling or heating battery cells during electrical testing
Inventors:
James R. Wheeler, Steven L. Girard, Randal C. Richardson
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: May 5, 1992
Inventors
James R. Wheeler
Steven L. Girard
Randal C. Richardson
Assignee (at issue)
Eagle-Picher Industries, 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.