Granted Patent
Utility
US 4,989,255 · App. 07/173,710
Expansion of compact database for pattern inspector or writer
Inventors:
William G. Manns, Anthony B. Wood, David A. Norwood, Theodore R. Bambenek
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Mar 25, 1988
Inventors
William G. Manns
Anthony B. Wood
David A. Norwood
Theodore R. Bambenek
Assignee (at issue)
Texas Instruments Incorporated
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.