Granted Patent
Utility
US 4,817,868 · App. 07/058,907
Carrier for scented material
Inventors:
John Cook, Lon L. Weiss
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Jun 5, 1987
Inventors
John Cook
Lon L. Weiss
Assignee (at issue)
Dow Corning 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.