Granted Patent
Utility
US 4,851,283 · App. 07/279,881
Headliners having improved sound-absorbing characteristics
Inventors:
James S. Holtrop, David Bowen
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Dec 5, 1988
Inventors
James S. Holtrop
David Bowen
Assignee (at issue)
Monsanto Company
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.