Patents by Inventor Curt Jonathan Mahlstedt

Curt Jonathan Mahlstedt 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).

  • Toy launcher apparatus with inner and outer tubes
    Patent number: 8671926
    Abstract: A toy launcher apparatus having inner and outer concentric tubes forming a chamber between the tubes. Within the inner tube in a piston and an attached rod, the piston being movable between front and rear positions by a user of the launcher apparatus. The other end of the rod is attached to a handle and upon being pulled rearward, compressed air causes discharge of a projectile. The inner tube has a closed front end portion and an open rear end portion with vents. An end cap is connected to the tubes to prevent relative movement between the tubes and to provide an air path from a region in the inner tube rearward of the piston, through the vents and into the chamber. A front cap is attached to the outer tube, a projectile restraining seal is mounted to the front cap, and a perforated cup is mounted rearward of the seal. A spring is positioned in the chamber between the inner tube and the perforated cup to bias the cup and a loaded ball toward the seal.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 18, 2014
    Assignee: Hasbro, Inc.
    Inventors: Curt Jonathan Mahlstedt, Douglas C. Weiler
  • Infant support with entertainment device
    Patent number: 6629727
    Abstract: The present invention provides support assembly having a resilient support frame having a ground engaging portion and an upper portion. The upper portion is moveable with respect to the ground engaging portion. A suspension assembly is coupled to the upper portion of the support frame such that motion of the upper portion imparts motion to the suspension assembly. In another aspect of the invention, the invention includes a seat supported on a resilient support frame having a ground engaging portion and an upper portion moveable with respect to the ground engaging portion. A mobile is coupled to the upper portion such that motion of the upper portion imparts a corresponding motion to the mobile.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: October 7, 2003
    Assignee: Mattel, Inc.
    Inventors: Ronald M. Asbach, Curt Jonathan Mahlstedt
  • Infant support with entertainment device
    Publication number: 20030067199
    Abstract: The present invention provides support assembly having a resilient support frame having a ground engaging portion and an upper portion. The upper portion is moveable with respect to the ground engaging portion. A suspension assembly is coupled to the upper portion of the support frame such that motion of the upper portion imparts motion to the suspension assembly. In another aspect of the invention, the invention includes a seat supported on a resilient support frame having a ground engaging portion and an upper portion moveable with respect to the ground engaging portion. A mobile is coupled to the upper portion such that motion of the upper portion imparts a corresponding motion to the mobile.
    Type: Application
    Filed: October 5, 2001
    Publication date: April 10, 2003
    Inventors: Ronald M. Asbach, Curt Jonathan Mahlstedt
  • Infant support with entertainment device
    Patent number: RE41121
    Abstract: The present invention provides support assembly having a resilient support frame having a ground engaging portion and an upper portion. The upper portion is moveable with respect to the ground engaging portion. A suspension assembly is coupled to the upper portion of the support frame such that motion of the upper portion imparts motion to the suspension assembly. In another aspect of the invention, the invention includes a seat supported on a resilient support frame having a ground engaging portion and an upper portion moveable with respect to the ground engaging portion. A mobile is coupled to the upper portion such that motion of the upper portion imparts a corresponding motion to the mobile.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 16, 2010
    Assignee: Mattel, Inc.
    Inventors: Ronald M. Asbach, Curt Jonathan Mahlstedt