Granted Patent
Utility
US 5,300,624 · App. 08/066,381
Method for making flame retardant polycarbonate
Inventors:
Eugene Pauling Boden, Peter D. Phelps
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: May 24, 1993
Inventors
Eugene Pauling Boden
Peter D. Phelps
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.