Granted Patent
Utility
US 4,754,296 · App. 06/800,314
Method of and apparatus for displaying alphanumeric range in camera viewfinder
Inventor:
Judith L. Neely
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Nov 21, 1985
Inventor
Judith L. Neely
Assignee (at issue)
Polaroid 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.