Granted Patent
Utility
US 6,070,821 · App. 08/843,670
Indented coreless rolls and methods of making and using
Inventor:
Joseph Mitchell
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Apr 10, 1997
Inventor
Joseph Mitchell
Assignee (at issue)
Kimberly-Clark Worldwide, 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.