Granted Patent
Utility
US 6,033,464 · App. 09/098,989
Marking composition
Inventor:
Michael S. Craig
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Jun 17, 1998
Inventor
Michael S. Craig
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.