Patents by Inventor Evan C. Reiffel

Evan C. Reiffel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Observational skill testing product
    Publication number: 20020082915
    Abstract: The product—which is adapted for use with an information transmission system—presents an original image; uses criteria to present a test image, where the test image has a non-alphanumeric element perceptively distinguishable from a corresponding element of the original image and to invite responses which locate the distinguishable element of the test image; and generates data relating the responses to the criteria.
    Type: Application
    Filed: September 11, 2001
    Publication date: June 27, 2002
    Inventors: Leonard Reiffel, Evan C. Reiffel