Granted Patent
Utility
US 6,318,589 · App. 09/521,859
Method for activating scents from a scented coupon by means of a coupon dispenser
Inventor:
Raymond Simpson
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 9, 2000
Inventor
Raymond Simpson
Assignee (at issue)
Menasha 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.