Granted Patent
Utility
US 6,121,713 · App. 09/091,264
Surface acoustic wave device
Inventors:
Kenji Inoue, Katsuo Sato
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jun 17, 1998
Inventors
Kenji Inoue
Katsuo Sato
Assignee (at issue)
TDK 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.