Patents by Inventor Dasakumar S. Navaratnam

Dasakumar S. Navaratnam 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 diagnosing senile dementia of the Alzheimer type
    Patent number: 5200324
    Abstract: A method is provided for the screening of senile dementia of the Alzheimer type (Alzheimer's disease) by testing for an anomalous molecular form of acetylcholinesterase in cerebrospinal fluid of a patient.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: April 6, 1993
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Dasakumar S. Navaratnam, John D. Priddle, Brendon I. McDonald, A. David Smith, Kim A. Jobst