Granted Patent
Utility
US 5,353,343 · App. 07/876,535
Telephonic switching system with a user controlled data memory access system and method
Inventor:
Darryl Hymel
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Apr 30, 1992
Inventor
Darryl Hymel
Assignee (at issue)
Rockwell International 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.