Granted Patent
Utility
US 6,576,294 · App. 08/062,736
Method for forming barrier film
Inventors:
Roger W. Phillips, Lauren R. Wendt, Myra Tan-Johnson, David W. Todd, Charles T. Markantes
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: May 14, 1993
Inventors
Roger W. Phillips
Lauren R. Wendt
Myra Tan-Johnson
David W. Todd
Charles T. Markantes
Assignee (at issue)
Flex Products, 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.