Patents by Inventor Norma M. Murphy

Norma M. Murphy 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).

  • Survival apparatus
    Patent number: 3964427
    Abstract: Apparatus for marking a location which includes a balloon and a bottle of pressurized helium which is selectively connected to the balloon which is in turn secured by a cord which is fed through an indicator as it is released to show the amount of cord that has been released and thereby the height of the balloon.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: June 22, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Norma M. Murphy