Granted Patent
Utility
US 6,687,767 · App. 10/032,598
Efficient direct memory access transfer of data and check information to and from a data storage device
Inventor:
David A. Butterfield
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Oct 25, 2001
Inventor
David A. Butterfield
Assignee (at issue)
Sun Microsystems 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.