Granted Patent
Utility
US 6,623,861 · App. 09/835,768
Multilayer plastic substrates
Inventors:
Peter M. Martin, Gordon L. Graff, Mark E. Gross, Michael Hall, Eric Mast
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 16, 2001
Inventors
Peter M. Martin
Gordon L. Graff
Mark E. Gross
Michael Hall
Eric Mast
Assignee (at issue)
Battelle Memorial Institute
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.