Patents by Inventor A. Kadry Ragheb

A. Kadry Ragheb 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).

  • Magnetic switching device for contact-dependent and contactless switching
    Patent number: 4296394
    Abstract: A magnetic switching device comprising a drive member and a slave member having magnetically attractive surfaces, the two members move angularly with respect to one another so as to bring the magnetic surfaces in and out of contact with one another.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: October 20, 1981
    Inventor: A. Kadry Ragheb