Granted Patent
Utility
US 5,342,653 · App. 08/070,370
Method of producing polyvinyl butyral sheet having a desired level of glass adhesion
Inventors:
Robert H. M. Simon, Peter H. Farmer
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Jun 7, 1993
Inventors
Robert H. M. Simon
Peter H. Farmer
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.