Granted Patent
Utility
US 5,621,460 · App. 08/496,615
Optical differentiation between plants and background utilizing a single CCD camera
Inventors:
John D. Hatlestad, Gerald F. Sauter
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jun 29, 1995
Inventors
John D. Hatlestad
Gerald F. Sauter
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.