Granted Patent
Utility
US 4,731,859 · App. 06/778,315
Multispectral/spatial pattern recognition system
Inventors:
Marvin J. Holter, David Michael Zuk, Vernon L. Larrowe, Robert J. Maxwell
Patented Case
View Patent ↗
Granted: Mar 15, 1988
Filed: Sep 20, 1985
Inventors
Marvin J. Holter
David Michael Zuk
Vernon L. Larrowe
Robert J. Maxwell
Assignee (at issue)
Environmental Research Institute
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.