Granted Patent
Utility
US 6,068,981 · App. 08/943,639
Marking of orally ingested products
Inventors:
James H. Rittenburg, Frank G. Angella, Michael Pappas
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Oct 3, 1997
Inventors
James H. Rittenburg
Frank G. Angella
Michael Pappas
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.