Granted Patent
Utility
US 4,142,017 · App. 05/864,423
Flexible laminates and processes for producing same
Inventors:
William A. Blackburn, Roy D. Goodwin
Patented Case
View Patent ↗
Granted: Feb 27, 1979
Filed: Dec 27, 1977
Inventors
William A. Blackburn
Roy D. Goodwin
Assignee (at issue)
Monsanto Company
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.