Granted Patent
Utility
US 4,439,010 · App. 06/364,317
Apparatus for combining optical images
Inventor:
James Doty
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Apr 1, 1982
Inventor
James Doty
Assignee (at issue)
Spectron Development Laboratories, Inc.
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.