Granted Patent
Utility
US 5,650,242 · App. 08/583,902
Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid batteries
Inventors:
Purushothama Rao, Steven R. Larsen
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jan 11, 1996
Inventors
Purushothama Rao
Steven R. Larsen
Assignee (at issue)
GNB Technologies, 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.