Granted Patent
Utility
US 6,090,460 · App. 09/088,238
Method of forming multi-layer preform and container with low crystallizing interior layer
Inventors:
Wayne N. Collette, Steven L. Schmidt, Suppayan M. Krishnakumar
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Jun 1, 1998
Inventors
Wayne N. Collette
Steven L. Schmidt
Suppayan M. Krishnakumar
Assignee (at issue)
Continental PET Technologies, 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.