Granted Patent
Utility
US 4,435,487 · App. 06/449,485
Primary battery system
Inventors:
Lawrence S. Supelak, Steven J. Specht, Richard C. Hills
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Dec 13, 1982
Inventors
Lawrence S. Supelak
Steven J. Specht
Richard C. Hills
Assignee (at issue)
Gould 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.