Patents by Inventor Luis Delgado Delgado

Luis Delgado Delgado 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).

  • Side delivery rake
    Patent number: 3977166
    Abstract: A rake comprising a frame, a plurality of rake wheels rotatably journalled by the frame and three members for fastening the frame to the three suspension rods of a tractor is simplified due to the fact that the fastening members are arranged on the three ends of a T-shaped frame tilted over an acute angle.
    Type: Grant
    Filed: February 4, 1975
    Date of Patent: August 31, 1976
    Assignee: Vicon Espana S.A.
    Inventor: Luis Delgado Delgado