Granted Patent
Utility
US 6,692,867 · App. 09/976,982
Battery separator-pin removal
Inventors:
Robert Nark, Ronald W. Call, Donald K. Simmons, Mark W. Ferebee
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Oct 12, 2001
Inventors
Robert Nark
Ronald W. Call
Donald K. Simmons
Mark W. Ferebee
Assignee (at issue)
Celgard, LLC
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.