Granted Patent
Utility
US 6,722,700 · App. 09/958,243
Data carrier and method for producing same
Inventor:
Paul Christen
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Oct 5, 2001
Inventor
Paul Christen
Assignee (at issue)
Trub Ltd
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.