Granted Patent
Utility
US 6,777,462 · App. 09/990,375
Ink compositions containing sodium tetraphenylboride
Inventors:
Thomas W. Smith, Richard L. Colt, Kathleen M. McGrane, Hiep Ly
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 23, 2001
Inventors
Thomas W. Smith
Richard L. Colt
Kathleen M. McGrane
Hiep Ly
Assignee (at issue)
Xerox 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.