Granted Patent
Utility
US 5,483,577 · App. 08/185,697
Single chip telephone answering machine, telephone, speakerphone, and ADSI controller
Inventor:
Dale E. Gulick
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Jan 24, 1994
Inventor
Dale E. Gulick
Assignee (at issue)
Advanced Micro Devices, Inc.
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.