Patents Assigned to The Ertl Company, Inc.
  • Self-propelled bouncing ball
    Patent number: 5297981
    Abstract: A toy ball in accordance with this invention includes a hollow sphere with spaced apart resilient knobs extending outwardly from the sphere and an internal mechanism that causes a random motion and bouncing of the ball. A safety switch is also provided to prevent injury to a user or damage to the toy while it is disassembled.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: March 29, 1994
    Assignee: The Ertl Company, Inc.
    Inventors: John Maxim, Christopher Thompson, Mark F. Reyner