Granted Patent
Utility
US 6,488,669 · App. 09/296,075
Collection cup for an automatic on-site drug testing system
Inventors:
Peter J. Sagona, Michael Bucholtz, David P. O'Bryan
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 21, 1999
Inventors
Peter J. Sagona
Michael Bucholtz
David P. O'Bryan
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.