Granted Patent
Utility
US 5,519,584 · App. 08/362,064
Laminated cylindrical backplane
Inventor:
John Allen Siroky
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Dec 22, 1994
Inventor
John Allen Siroky
Assignee (at issue)
AT&T CORP.
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.