Granted Patent
Utility
US 4,306,355 · App. 06/077,670
Method and apparatus for automatically installing covers on lead-acid battery cells
Inventors:
Stanley Hawrylo, Edward O. Neukirch
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: Sep 21, 1979
Inventors
Stanley Hawrylo
Edward O. Neukirch
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.