Granted Patent
Utility
US 6,673,687 · App. 10/190,011
Method for fabrication of a heterojunction bipolar transistor
Inventors:
Richard Burton, Apostolos Samelis, Kyushik Hong
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jul 5, 2002
Inventors
Richard Burton
Apostolos Samelis
Kyushik Hong
Assignee (at issue)
Skyworks Solutions, 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.