Patents by Inventor Derral Mayberry

Derral Mayberry 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 and apparatus for inserting an intrauterine contraceptive device
    Patent number: 4026281
    Abstract: A method of inserting an intrauterine contraceptive device is described. The device is mounted in a plunger and the plunger containing the device is inserted into a hollow insertion tube for insertion into the uterine cavity.
    Type: Grant
    Filed: October 12, 1973
    Date of Patent: May 31, 1977
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Derral Mayberry, Jawahar Sawardeker, John McShefferty