Granted Patent
Utility
US 4,766,402 · App. 07/083,499
Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line
Inventor:
Ronald C. Crane
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Aug 6, 1987
Inventor
Ronald C. Crane
Assignee (at issue)
3Com 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.