Granted Patent
Utility
US 5,182,473 · App. 07/826,214
Emitter emitter logic (EEL) and emitter collector dotted logic (ECDL) families
Inventors:
Jan Wikström, Mark S. Birrittella, David R. Kiefer, Stephen B. Smetana, Vernon W. Swanson
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Jan 22, 1992
Inventors
Jan Wikström
Mark S. Birrittella
David R. Kiefer
Stephen B. Smetana
Vernon W. Swanson
Assignee (at issue)
Cray Research, 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.