Patents by Inventor Alex Delgado

Alex 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).

  • Patent number: 5697851
    Abstract: A portable playground system including a cylindrical base member having four openings therethrough disposed at ninety degree intervals therearound intermediate upper and lower ends thereof. The base member has a floor disposed interiorly thereof disposed at lower ends of the four openings. A top member is dimensioned for removable coupling with the upper end of the cylindrical base member. Stairs, ladders and slides are adapted for removably coupling with the four openings.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: December 16, 1997
    Inventor: Alex Delgado