Granted Patent
Utility
US 6,581,043 · App. 09/474,672
Routing number variable and indexes
Inventors:
Mark Wallin, Amy Swift
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Dec 29, 1999
Inventors
Mark Wallin
Amy Swift
Assignee (at issue)
FIRST DATA 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.