Patents by Inventor Mohamed Yossry Elmassry

Mohamed Yossry Elmassry 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: 9073381
    Abstract: A wheeled compass including a shaft having a first portion, including a first end, and a second portion, including a second end, a control rolling member having an adjustable radius, a drawing rolling member having a radius greater than the adjustable radius, the control rolling member and the drawing rolling member being co-axially arranged on the shaft, and a drawing arm coupled to the shaft, the drawing arm being adapted to hold a drawing instrument. The wheeled compass can include a motor, in communication with the control rolling member and the drawing rolling member, adapted to move the wheeled compass. The control rolling member can include a plurality of adjustable rods/adjustable arms. The control rolling member can also include a flexible member to adjust the radius of the control rolling member to correspond to the radius of the wanted circle. The control rolling member can also include a housing.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: July 7, 2015
    Assignee: KING SAUD UNIVERSITY
    Inventor: Mohamed Yossry Elmassry