Granted Patent
Utility
US 6,777,048 · App. 10/323,058
Polyester compositions containing silicon carbide
Inventors:
Donna Rice Quillen, Earl Edmondson Howell, Jr., Steven Lee Stafford
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Dec 18, 2002
Inventors
Donna Rice Quillen
Earl Edmondson Howell, Jr.
Steven Lee Stafford
Assignee (at issue)
Eastman Chemical 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.