Granted Patent
Utility
US 4,386,426 · App. 06/203,151
Data transmission system
Inventor:
Charles D. Pugh
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Nov 3, 1980
Inventor
Charles D. Pugh
Assignee (at issue)
Burlington Industries LLC
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.