Granted Patent
Utility
US 6,693,538 · App. 10/005,235
Object carriers for an object control and tracking system
Inventor:
William C. Maloney
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 5, 2001
Inventor
William C. Maloney
Assignee (at issue)
Key-Trak, Inc.
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.