Granted Patent
Utility
US 5,253,249 · App. 07/374,046
Bidirectional transceiver for high speed data system
Inventors:
John J. Fitzgerald, Donald G. Shuda
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Jun 29, 1989
Inventors
John J. Fitzgerald
Donald G. Shuda
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.