Patents by Inventor Michael L. Baldwin

Michael L. Baldwin 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: 6619674
    Abstract: An ice board including a platform for supporting an individual in a standing or crouched position, a pair of single in line ice runners disposed below and fixed to the platform, and a brake member, a first or forward ice runner defines a curved ice engaging surface which curves upwardly toward the front of the platform while the rear ice runner includes a flat ice engaging surface over about 80 percent of its length. The rear ice runner also includes a curved surface at the rear thereof for rotating the front of a platform upwardly and for bringing the brake member into engagement with the ice to slow or stop momentum of the ice board on the ice.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: September 16, 2003
    Inventor: Michael L. Baldwin
  • Publication number: 20020043775
    Abstract: An ice board including a platform for supporting an individual in a standing or crouched position, a pair of single in line ice runners disposed below and fixed to the platform, and a brake member, a first or forward ice runner defines a curved ice engaging surface which curves upwardly toward the front of the platform while the rear ice runner includes a flat ice engaging surface over about 80 percent of its length. The rear ice runner also includes a curved surface at the rear thereof for rotating the front of a platform upwardly and for bringing the brake member into engagement with the ice to slow or stop momentum of the ice board on the ice.
    Type: Application
    Filed: December 14, 2001
    Publication date: April 18, 2002
    Inventor: Michael L. Baldwin
  • Patent number: 5277536
    Abstract: An apparatus for curbside collection of co-mingled recyclable materials. The apparatus includes a wheel supported frame structure having first and second ends and first and second side portions. A number of receiving bins are positioned along the side portions of the frame structure s as to generally define a longitudinally walkway therebetween. A carriage assembly is mounted to the frame structure to allow movement of the receptacle generally along the walkway. The receptacle has a substantially stationary position where co-mingled recyclable materials are emptied into the receptacle from curbside. Once the receptacle is full, it may be moved along the walkway permitting the co-mingled recyclable materials to be separated and deposited into a receiving bin containing compatible recyclable materials.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: January 11, 1994
    Inventors: Kevin L. Baldwin, Michael L. Baldwin