Granted Patent
Utility
US 5,639,806 · App. 08/411,887
Bisphenol-containing resin coating articles and methods of using same
Inventors:
Calvin K. Johnson, Kwok-tuen Tse
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Mar 28, 1995
Inventors
Calvin K. Johnson
Kwok-tuen Tse
Assignee (at issue)
Borden Chemical, 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.