Granted Patent
Utility
US 5,769,643 · App. 08/597,729
Instruction communication system
Inventor:
Harden E. Stevens, III
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Feb 7, 1996
Inventor
Harden E. Stevens, III
Assignee (at issue)
NCR 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.