Granted Patent
Utility
US 6,478,861 · App. 09/538,901
Laser markable coating
Inventors:
Wing Sum Vincent Kwan, Yoshikazu Mizobuchi
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Mar 30, 2000
Inventors
Wing Sum Vincent Kwan
Yoshikazu Mizobuchi
Assignee (at issue)
Videojet Technologies 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.