Granted Patent
Utility
US 5,010,125 · App. 07/409,753
Room temperature plain paper ink
Inventors:
Jurgen M. Kruse, Donald B. Kimball, Jr.
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Sep 20, 1989
Inventors
Jurgen M. Kruse
Donald B. Kimball, Jr.
Assignee (at issue)
Xaar Limited
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.