Granted Patent
Utility
US 5,647,930 · App. 08/468,932
Method for forming a layered preform and container
Inventor:
Stephen A. Bright
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 6, 1995
Inventor
Stephen A. Bright
Assignee (at issue)
Electra Form, 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.