Granted Patent
Utility
US 4,285,537 · App. 06/075,600
Sealed cell lift tool
Inventors:
Stan Hawrylo, Ed Neukirch, William J. Eberle
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Sep 14, 1979
Inventors
Stan Hawrylo
Ed Neukirch
William J. Eberle
Assignee (at issue)
General Battery Corporation
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.