Granted Patent
Utility
US 6,307,447 · App. 09/432,040
Tuning mechanical resonators for electrical filter
Inventors:
Bradley Paul Barber, Yiu-Huen Wong, Peter Ledel Gammel
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Nov 1, 1999
Inventors
Bradley Paul Barber
Yiu-Huen Wong
Peter Ledel Gammel
Assignee (at issue)
Agere Systems Guardian Corporation
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.