Granted Patent
Utility
US 5,719,946 · App. 08/510,459
Loudspeaker for higher audio frequencies and a manufacturing method thereof
Inventors:
Shouichiro Terauchi, Tomohiro Suenaga, Masaharu Yoneyama, Takanobu Saito
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Aug 2, 1995
Inventors
Shouichiro Terauchi
Tomohiro Suenaga
Masaharu Yoneyama
Takanobu Saito
Assignee (at issue)
Pioneer Electronic 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.