Granted Patent
Utility
US 6,476,100 · App. 09/775,987
Solid surface materials prepared from extrudable acrylic composites
Inventors:
Beibei Diao, Thomas Robert Darling
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Feb 2, 2001
Inventors
Beibei Diao
Thomas Robert Darling
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.