IP Library Granted Patent US 6,492,991
Granted Patent Utility
US 6,492,991 · App. 09/369,730

Method and apparatus for controlling compressed Z information in a video graphics system

Inventors: Steven Morein, Michael T. Wright, Kin M. Yee
Patented Case View Patent ↗
Granted: Dec 10, 2002 Filed: Aug 6, 1999
Inventors
Steven Morein
Michael T. Wright
Kin M. Yee
Assignee (at issue)
ATI International SRL

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,492,991
App. No.
09/369,730
Filed
1999-08-06
Granted
2002-12-10
Kind
B1