Granted Patent
Utility
US 5,663,810 · App. 08/408,299
Method and apparatus for producing a digital half-tone representation of an image
Inventor:
Richard A. Kirk
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Mar 22, 1995
Inventor
Richard A. Kirk
Assignee (at issue)
Crosfield Electronics Limited
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.