Granted Patent
Utility
US 6,428,872 · App. 09/485,435
Preparation of a recording carrier
Inventors:
Michael S. Cholod, Donald Hone, David Stone
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Apr 21, 2000
Inventors
Michael S. Cholod
Donald Hone
David Stone
Assignee (at issue)
Atofina
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.