Granted Patent
Utility
US 4,754,451 · App. 06/893,610
"N-by-N ""knockout"" switch for a high-performance packet switching system with variable length packets"
Inventors:
Kai Y. Eng, Michael G. Hluchyj, Yu S. Yeh
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Aug 6, 1986
Inventors
Kai Y. Eng
Michael G. Hluchyj
Yu S. Yeh
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.