Granted Patent
Utility
US 6,553,457 · App. 09/552,404
Tag memory disk cache architecture
Inventors:
Virgil V. Wilkins, Ralph H. Castro, Tsun Y. Ng
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Apr 19, 2000
Inventors
Virgil V. Wilkins
Ralph H. Castro
Tsun Y. Ng
Assignee (at issue)
WESTERN DIGITAL TECHNOLOGIES, 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.