Granted Patent
Utility
US 4,798,428 · App. 06/918,744
Fiber optic coupling system
Inventors:
Mohammad Karim, Madhu C. Patel
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Oct 14, 1986
Inventors
Mohammad Karim
Madhu C. Patel
Assignee (at issue)
NCR 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.