Granted Patent
Utility
US 6,286,189 · App. 09/307,937
Zipper and zipper arrangements and methods of manufacturing the same
Inventors:
Alexander R. Provan, Thomas L. Coomber, Ian J. Barclay, David V. Dobreski, Toby R. Thomas
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: May 10, 1999
Inventors
Alexander R. Provan
Thomas L. Coomber
Ian J. Barclay
David V. Dobreski
Toby R. Thomas
Assignee (at issue)
PACTIV 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.