Granted Patent
Utility
US 5,451,037 · App. 08/079,467
Modular card processing system
Inventor:
Robert W. Lundstrom
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Jun 18, 1993
Inventor
Robert W. Lundstrom
Assignee (at issue)
DataCard 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.