Granted Patent
Utility
US 6,422,698 · App. 08/848,065
Ink jet marker
Inventor:
Richard J. Kaiser
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Apr 28, 1997
Inventor
Richard J. Kaiser
Assignee (at issue)
BINNEY & SMITH INC.
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.