Granted Patent
Utility
US 4,386,433 · App. 06/246,977
Character doubling eliminator
Inventor:
Marion W. Neff
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Mar 24, 1981
Inventor
Marion W. Neff
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.