Granted Patent
Utility
US 5,688,553 · App. 08/666,197
Polyimide coated heavy metal fluoride glass fiber and method of manufacture
Inventors:
Lubos J. B. Vacha, Peter J. Melling
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jun 20, 1996
Inventors
Lubos J. B. Vacha
Peter J. Melling
Assignee (at issue)
Gallileo Electro-Optics Corporation
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.