Granted Patent
Utility
US 4,606,982 · App. 06/732,522
Sealed lead-acid cell and method
Inventors:
Robert F. Nelson, Tristan D. Juergens
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: May 9, 1985
Inventors
Robert F. Nelson
Tristan D. Juergens
Assignee (at issue)
Gates Energy Products, 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.