Granted Patent
Utility
US 5,032,341 · App. 07/436,651
Method of forming two material three/five layer preform
Inventors:
Suppayan M. Krishnakumar, Thomas E. Nahill, Steven L. Schmidt, Wayne N. Collette
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Nov 15, 1989
Inventors
Suppayan M. Krishnakumar
Thomas E. Nahill
Steven L. Schmidt
Wayne N. Collette
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.