Granted Patent
Utility
US 5,942,444 · App. 08/788,392
Marking of products to establish identity, source and fate
Inventors:
James H. Rittenburg, Robin Jenkins
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jan 27, 1997
Inventors
James H. Rittenburg
Robin Jenkins
Assignee (at issue)
Biocode, 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.