Granted Patent
Utility
US 5,748,719 · App. 08/577,724
Relay circuit for telephone interface
Inventors:
Robert F. Watts, Benjamin H. Skinker, Kai Wang
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Dec 22, 1995
Inventors
Robert F. Watts
Benjamin H. Skinker
Kai Wang
Assignee (at issue)
Compaq Computer 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.