Granted Patent
Utility
US 4,812,646 · App. 07/116,554
Optical fiber initialization method and apparatus
Inventor:
Paul Waszkiewicz
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Nov 3, 1987
Inventor
Paul Waszkiewicz
Assignee (at issue)
Photon Devices, Ltd.
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.