Granted Patent
Utility
US 6,017,657 · App. 08/978,916
Method for embossing holograms into aluminum and other hard substrates
Inventors:
Brian Mentz, Timothy Dolan
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Nov 26, 1997
Inventors
Brian Mentz
Timothy Dolan
Assignee (at issue)
Bridgestone Graphic 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.