Granted Patent
Utility
US 4,770,972 · App. 07/052,317
Imaging process involving hardening of imaging web border area photosensitive microcapsules and an apparatus useful therein
Inventors:
Erik K. Nelson, Michael E. Demarchi, David A. Boyer
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: May 19, 1987
Inventors
Erik K. Nelson
Michael E. Demarchi
David A. Boyer
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.