Granted Patent
Utility
US 4,942,918 · App. 07/249,618
Controlled-flow fiber casting
Inventor:
Robert E. Maringer
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Sep 26, 1988
Inventor
Robert E. Maringer
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.