Patents by Inventor Leonard J. Sonne

Leonard J. Sonne 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).

  • Pulmonary training method
    Patent number: 4533137
    Abstract: A pulmonary training method for persons having COPD involving daily exercise by inhaling through a restricted opening with inspirative resistance less than that producing stress.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: August 6, 1985
    Assignee: HealthScan Inc.
    Inventor: Leonard J. Sonne