Granted Patent
Utility
US 5,293,159 · App. 07/865,046
Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays
Inventors:
Chester F. Bassetti, Dayakar C. Reddy, Ekaputra Laiman, Bryan Michael Richter
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Apr 6, 1992
Inventors
Chester F. Bassetti
Dayakar C. Reddy
Ekaputra Laiman
Bryan Michael Richter
Assignee (at issue)
Cirrus Logic Inc.
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.