Granted Patent
Utility
US 6,039,244 · App. 08/783,372
Method of building up a data bank containing customer data and/or for the organization of a rebate or coupon system
Inventor:
Martin Finsterwald
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jan 13, 1997
Inventor
Martin Finsterwald
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.