Granted Patent
Utility
US 5,245,328 · App. 07/597,814
Method and apparatus for displaying different shades of gray on a liquid crystal display
Inventor:
James H. Garrett
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Oct 15, 1990
Inventor
James H. Garrett
Assignee (at issue)
Compaq Computer 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.