Granted Patent
Utility
US 4,677,666 · App. 06/632,832
Adaptive line hybrids
Inventor:
Ralph Herman
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Jul 20, 1984
Inventor
Ralph Herman
Assignee (at issue)
Plessey Overseas Limited
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.