Granted Patent
Utility
US 5,870,095 · App. 08/109,572
Z buffer initialize and update method for pixel block
Inventors:
Virgil A. Albaugh, Robert John Urquhart
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Aug 19, 1993
Inventors
Virgil A. Albaugh
Robert John Urquhart
Assignee (at issue)
International Business Machines 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.