Granted Patent
Utility
US 6,529,786 · App. 09/068,701
Queue management system
Inventor:
Leonard Sim
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Dec 8, 1998
Inventor
Leonard Sim
Assignee (at issue)
LO-Q, PLC
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.