Granted Patent
Utility
US 5,907,144 · App. 08/795,579
Microscopic bar code for component identification and method for making same
Inventors:
Chie Ching Poon, Clarence Jacob Spector, Andrew Ching Tam
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Feb 5, 1997
Inventors
Chie Ching Poon
Clarence Jacob Spector
Andrew Ching Tam
Assignee (at issue)
International Business Machines 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.