Granted Patent
Utility
US 4,871,428 · App. 07/173,194
Method for in situ forming lead-acid batteries having absorbent separators
Inventors:
Sudhan S. Misra, Terrence M. Noveske
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Mar 24, 1988
Inventors
Sudhan S. Misra
Terrence M. Noveske
Assignee (at issue)
C & D Charter Power Systems, 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.