Granted Patent
Utility
US 4,395,697 · App. 06/178,314
Off-image detection circuit for an image analyzer
Inventors:
William Dargel, Robert M. Lougheed, David L. McCubbrey, Ralph E. Richardson
Patented Case
View Patent ↗
Granted: Jul 26, 1983
Filed: Aug 15, 1980
Inventors
William Dargel
Robert M. Lougheed
David L. McCubbrey
Ralph E. Richardson
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.