Granted Patent
Utility
US 4,328,259 · App. 06/200,674
Process of printing by impact and for marking areas where impact or pressure is applied
Inventors:
Gordhanbhai N. Patel, Ray H. Baughman
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Oct 27, 1980
Inventors
Gordhanbhai N. Patel
Ray H. Baughman
Assignee (at issue)
ALLIED CONSULTING, INC.
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.