Granted Patent
Utility
US 4,768,101 · App. 07/052,329
Half-tone reproduction method employing overlapping scan lines
Inventor:
Graham Webb
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: May 21, 1987
Inventor
Graham Webb
Assignee (at issue)
Crosfield Electronics (USA) 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.