Granted Patent
Utility
US 6,143,839 · App. 09/152,877
Weatherable blends of polycarbonates with arylate polymers
Inventors:
Jimmy Lynn Webb, Randall Lee Carter, Tiberiu Mircea Siclovan, James Edward Pickett
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Sep 14, 1998
Inventors
Jimmy Lynn Webb
Randall Lee Carter
Tiberiu Mircea Siclovan
James Edward Pickett
Assignee (at issue)
General Electric 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.