Patents by Inventor John B. O'Leary

John B. O'Leary 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).

  • Patent number: 4343315
    Abstract: The invention relates to an apparatus for testing the physical condition of a person and a method for using the apparatus. The apparatus comprises a portable heart monitor for attachment to a person and a plurality of circular paths positioned for sequential use by the person in order of increasing size. Marked on the circles are means indicating a given fractional part of the circle which is to be covered in a measured number of seconds. Means are provided to indicate the elapsing of the measured number of seconds. Additionally provided are means timing the elapse of a set period of time for the person to sequentially walk over each circle.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: August 10, 1982
    Assignee: Grey-Mac Fitness, Ltd.
    Inventor: John B. O'Leary