Granted Patent
Utility
US 6,578,658 · App. 09/758,710
Accoustic chamber integrated with vehicle door
Inventors:
Stephen P. Jones, Michael Twork, Karl Jon Mertz, Said Ali Shebak
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jan 11, 2001
Inventors
Stephen P. Jones
Michael Twork
Karl Jon Mertz
Said Ali Shebak
Assignee (at issue)
SAI Automotive USA-SAL, 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.