Patents by Inventor Alexander Astudillo

Alexander Astudillo 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).

  • Spear shield
    Patent number: 8099795
    Abstract: The aqua sport shield is used while spear fishing. The shield distributes the force of loading a spear gun over a body area such as a chest area or the thigh area of a person's leg, greater than the butt end of the spear gun. The shield is comprised of a waterproof layer, a force absorbing layer and a force distributing layer. The shield can be a separate unit and attached to the user or can be a releasable or permanent part of a wet suit. Further it can be of various shapes to fit different body shapes as long as it effectively distributes the force of loading the spear gun to prevent body bruising or undue comfort.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: January 24, 2012
    Inventors: Enrique F. Stinga, Alexander Astudillo
  • Spear shield
    Publication number: 20090158510
    Abstract: The aqua sport shield is used while spear fishing. The shield distributes the force of loading a spear gun over a body area such as a chest area or the thigh area of a person's leg, greater than the butt end of the spear gun. The shield is comprised of a waterproof layer, a force absorbing layer and a force distributing layer. The shield can be a separate unit and attached to the user or can be a releasable or permanent part of a wet suit. Further it can be of various shapes to fit different body shapes as long as it effectively distributes the force of loading the spear gun to prevent body bruising or undue comfort.
    Type: Application
    Filed: February 17, 2009
    Publication date: June 25, 2009
    Inventors: Enrique F. Stinga, Alexander Astudillo
  • Spear shield
    Patent number: 7526818
    Abstract: The aqua sport shield is used while spear fishing. The shield distributes the force of loading a spear gun over a body area such as a chest area or the thigh area of a person's leg, greater than the butt end of the spear gun. The shield is comprised of a waterproof layer, a force absorbing layer and a force distributing layer. The shield can be a separate unit and attached to the user or can be a releasable or permanent part of a wet suit. Further it can be of various shapes to fit different body shapes as long as it effectively distributes the force of loading the spear gun to prevent body bruising or undue comfort.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: May 5, 2009
    Inventors: Enrique F. Stinga, Alexander Astudillo
  • Spear shield
    Publication number: 20060179555
    Abstract: The aqua sport shield is used while spear fishing. The shield distributes the force of loading a spear gun over a body area such as a chest area or the thigh area of a person's leg, greater than the butt end of the spear gun. The shield is comprised of a waterproof layer, a force absorbing layer and a force distributing layer. The shield can be a separate unit and attached to the user or can be a releasable or permanent part of a wet suit. Further it can be of various shapes to fit different body shapes as long as it effectively distributes the force of loading the spear gun to prevent body bruising or undue comfort.
    Type: Application
    Filed: February 16, 2006
    Publication date: August 17, 2006
    Inventors: Enrique Stinga, Alexander Astudillo