Granted Patent
Utility
US 6,255,987 · App. 09/420,397
Block adaptive quantization
Inventors:
David Charles Lancashire, Bartholomew A. F. Barnes, Stephen J Udall
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Oct 18, 1999
Inventors
David Charles Lancashire
Bartholomew A. F. Barnes
Stephen J Udall
Assignee (at issue)
Matra Marconi Space UK 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.