Granted Patent
Utility
US 5,058,006 · App. 07/212,416
Method and apparatus for filtering invalidate requests
Inventors:
W. Hugh Durdan, Rebecca L. Stamm, G. Michael Uhler
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Jun 27, 1988
Inventors
W. Hugh Durdan
Rebecca L. Stamm
G. Michael Uhler
Assignee (at issue)
Digital Equipment 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.