Granted Patent
Utility
US 4,826,445 · App. 07/246,881
Card reader holder
Inventors:
Laurentius M. Verhoeven, Cornelis G. J. van Nes
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 13, 1988
Inventors
Laurentius M. Verhoeven
Cornelis G. J. van Nes
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.