Granted Patent
Utility
US 5,386,412 · App. 08/060,381
Telecommunication system protocol for asynchronous data communication between multiport switch control processor and information support personal computer terminal
Inventors:
Jung Su Park, Raymond Guy Johns
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: May 11, 1993
Inventors
Jung Su Park
Raymond Guy Johns
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.