Granted Patent
Utility
US 4,975,841 · App. 07/463,819
Method and apparatus for reporting customer data
Inventors:
Craig R. Kehnemuyi, John Hughes
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Jan 16, 1990
Inventors
Craig R. Kehnemuyi
John Hughes
Assignee (at issue)
American Colloid 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.