Granted Patent
Utility
US 6,270,918 · App. 09/246,352
Low profile ventable seal for an electrochemical cell
Inventor:
Xixian Wu
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Feb 8, 1999
Inventor
Xixian Wu
Assignee (at issue)
Eveready Battery Company, 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.