Granted Patent
Utility
US 6,069,877 · App. 08/731,399
Duplicate device detection system
Inventor:
Ming Yang
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Oct 18, 1996
Inventor
Ming Yang
Assignee (at issue)
TELXON 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.