Granted Patent
Utility
US 5,606,821 · App. 08/257,257
Smart weed recognition/classification system
Inventors:
Firooz A. Sadjadi, Michael E. Farmer
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jul 25, 1994
Inventors
Firooz A. Sadjadi
Michael E. Farmer
Assignee (at issue)
L'ORÉAL
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.