Granted Patent
Utility
US 6,756,604 · App. 09/988,938
Si-Ge base heterojunction bipolar device
Inventors:
Stephen Joseph Kovacic, Derek C. Houghton
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Feb 1, 2002
Inventors
Stephen Joseph Kovacic
Derek C. Houghton
Assignee (at issue)
SiGe Semiconductor, 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.