Granted Patent
Utility
US 6,040,359 · App. 09/023,621
Washable coloring composition suitable for use in dry erase markers
Inventors:
Andree F. Santini, Richard E. Miller
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Feb 13, 1998
Inventors
Andree F. Santini
Richard E. Miller
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.