Granted Patent
Utility
US 6,195,269 · App. 09/329,367
Noise suppressing apparatus
Inventor:
Akira Hino
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jun 10, 1999
Inventor
Akira Hino
Assignee (at issue)
I-PEX Inc.
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.