Granted Patent
Utility
US 5,453,100 · App. 08/259,415
Method for color dyeing polycarbonate
Inventor:
Ronald F. Sieloff
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Jun 14, 1994
Inventor
Ronald F. Sieloff
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.