Granted Patent
Utility
US 6,176,908 · App. 09/399,260
Aqueous ink jet inks for postal metering
Inventors:
Richard Bauer, John Gardner, Loretta Ann Grezzo Page, David Tyvoll
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Sep 20, 1999
Inventors
Richard Bauer
John Gardner
Loretta Ann Grezzo Page
David Tyvoll
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.