Granted Patent
Utility
US 4,472,479 · App. 06/506,582
Light barrier fluorescent ribbon
Inventors:
Larry J. Hayes, Keith L. Reddick
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Jun 22, 1983
Inventors
Larry J. Hayes
Keith L. Reddick
Assignee (at issue)
Recognition Equipment Incorporated
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.