Granted Patent
Utility
US 5,283,458 · App. 07/859,768
Temperature stable semiconductor bulk acoustic resonator
Inventors:
Robert B. Stokes, Kei-Fung Lau, James C. Lau
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 30, 1992
Inventors
Robert B. Stokes
Kei-Fung Lau
James C. Lau
Assignee (at issue)
TRW 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.