Granted Patent
Utility
US 5,610,928 · App. 08/674,331
Data verification method
Inventors:
Thomas S. Maddern, James K. Saunders
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Jul 1, 1996
Inventors
Thomas S. Maddern
James K. Saunders
Assignee (at issue)
GPT Limited
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.