Granted Patent
Utility
US 4,851,305 · App. 07/157,688
Cover assemblies for electric storage batteries and batteries utilizing such cover assemblies
Inventors:
William H. Kump, Richard M. Sahli
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Feb 18, 1988
Inventors
William H. Kump
Richard M. Sahli
Assignee (at issue)
GnB
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.