Granted Patent
Utility
US 5,389,717 · App. 08/203,655
Erasable marking composition
Inventors:
Andree F. Santini, Richard E. Miller
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Feb 28, 1994
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.