Granted Patent
Utility
US 5,344,908 · App. 08/058,070
Process for the manufacture of polycarbonate-oligomers without solvent
Inventor:
Niles R. Rosenquist
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: May 4, 1993
Inventor
Niles R. Rosenquist
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.