Granted Patent
Utility
US 5,939,682 · App. 09/085,977
Molded in speaker grid
Inventor:
Karl Hartmann
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: May 27, 1998
Inventor
Karl Hartmann
Assignee (at issue)
UT Automotive Dearborn, 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.