Patents Represented by Law Firm Gumpston & Shaw
  • Inertia flywheel drive mechanism for a toy vehicle
    Patent number: 4428148
    Abstract: A toy vehicle having a drive wheel and winch driven by an inertia flywheel. The winch has a winch drum that winds a cord attached thereto in only one direction of rotation of the drum. A double detent mechanism precisely positions the winch transmission in its neutral position. A fixed gear tooth brakes or locks the winch drum when the winch transmission is in its neutral position.A drive transmission for selectively driving the drive wheel to cause the vehicle to move in a forward or a reverse direction.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: January 31, 1984
    Assignee: The Quaker Oats Company
    Inventors: Carl M. Stern, William M. Maher, Michael T. Ventre
  • Step stool
    Patent number: D284911
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: August 5, 1986
    Assignee: The Quaker Oats Company
    Inventor: Gary R. Lemmeyer