Granted Patent
Utility
US 6,514,909 · App. 09/630,396
Dual layer self-contained paper incorporating hollow spherical plastic pigment
Inventors:
Robert A. Austin, Bruce A. Neeld, Peter C. Yao, John K. Rourke, Trude J. Amick, Willard W. McCarty
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Aug 2, 2000
Inventors
Robert A. Austin
Bruce A. Neeld
Peter C. Yao
John K. Rourke
Trude J. Amick
Willard W. McCarty
Assignee (at issue)
The Mead Corporation
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.