Granted Patent
Utility
US 5,258,221 · App. 07/927,758
Polyolefin article
Inventors:
Randy E. Meirowitz, Robert J. Phelan
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Aug 10, 1992
Inventors
Randy E. Meirowitz
Robert J. Phelan
Assignee (at issue)
Kimberly-Clark 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.