Patents by Inventor Douglas L. Arnold

Douglas L. Arnold 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).

  • Method of evaluating the efficacy of drug on brain nerve cells
    Patent number: 6347239
    Abstract: The present invention relates to a method to measure in vivo the effect of a drug on the function of the nerve cells of the brain of a patient suffering from a neurological disease, which comprises the steps of: a) measuring NAA signal intensity using MRS of the brain of the patient; b) subjecting the patient to a treatment with the drug to be tested and measuring NAA signal intensity using MRS of the brain of the patient; and c) comparing the spectra of steps a) and b) to determine whether the drug has an effect on the function of the nerve cells of the brain; whereby the increase in the NAA signal of step b) is indicative of a drug with a positive effect.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: February 12, 2002
    Inventors: Douglas L. Arnold, Neil Cashman, Sanjay Kalra
  • Odorless water closet
    Patent number: 4103370
    Abstract: A water closet has an intake manifold interposed between the seat and the top periphery of the bowl. A suction blower is arranged to draw gases from the manifold, and deliver them to the sewer connection beyond the water trap. The components, including the ventilation connection, are within, or secured to, the bowl and tank structure.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: August 1, 1978
    Inventor: Douglas L. Arnold