Granted Patent
Utility
US 5,002,849 · App. 07/416,174
Receiver sheet including amine salt
Inventors:
Russell H. Tobias, David A. Hutchings, Kelli J. Borello
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Oct 2, 1989
Inventors
Russell H. Tobias
David A. Hutchings
Kelli J. Borello
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.