Granted Patent
Utility
US 6,534,896 · App. 09/854,595
Spatial harmonic transducers for surface wave devices
Inventors:
Chun-Yun Jian, Steve Beaudin, Conrad F. Gratton
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: May 15, 2001
Inventors
Chun-Yun Jian
Steve Beaudin
Conrad F. Gratton
Assignee (at issue)
Nortel Networks Limited
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.