Granted Patent
Utility
US 6,358,596 · App. 09/300,118
Multi-functional transparent secure marks
Inventors:
Rajendra Mehta, Watson Gullett, David E. Washburn, A. Dale Lakes
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Apr 27, 1999
Inventors
Rajendra Mehta
Watson Gullett
David E. Washburn
A. Dale Lakes
Assignee (at issue)
Standard Register, 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.