Granted Patent
Utility
US 4,527,236 · App. 06/372,624
Communications device for data processing system
Inventor:
Thomas R. Ermolovich
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Apr 28, 1982
Inventor
Thomas R. Ermolovich
Assignee (at issue)
Digital Equipment 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.