Granted Patent
Utility
US 6,443,387 · App. 09/570,590
Paper core turnup apparatus
Inventors:
Bobby R. Mercer, Rodney E. Powell
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: May 12, 2000
Inventors
Bobby R. Mercer
Rodney E. Powell
Assignee (at issue)
Georgia-Pacific 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.