Granted Patent
Utility
US 4,285,057 · App. 06/105,878
Sampling gate for TDM telecommunication system
Inventor:
Anes Sbuelz
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Dec 21, 1979
Inventor
Anes Sbuelz
Assignee (at issue)
Societa Italiana Telecomunicazioni Siemens S.p.A.
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.