Patents by Inventor Margaret Harrison

Margaret Harrison 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: 3952336
    Abstract: A collar of soft foam material is provided around the open mouth of a waterproof soft-textured material bag. The foam material is adherent to the skin of a user to insure a snug fit when in use. A flexible wire is embedded in the collar and extends around the mouth for adjusting the opening of the mouth.
    Type: Grant
    Filed: February 25, 1975
    Date of Patent: April 27, 1976
    Assignee: The Raymond Lee Organization, Inc.
    Inventors: Sona V. Kunter, Margaret Harrison