Granted Patent
Utility
US 4,663,201 · App. 06/855,991
Polyurea coatings for objects of metal glass wood or plastic
Inventors:
David W. House, Ray V. Scott, Jr.
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Apr 25, 1986
Inventors
David W. House
Ray V. Scott, Jr.
Assignee (at issue)
UOP LLC
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.