Granted Patent
Utility
US 5,932,515 · App. 08/977,916
Recording paper incorporating hollow spherical plastic pigment
Inventor:
John K. Rourke
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Nov 25, 1997
Inventor
John K. Rourke
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.