Patents by Inventor Mark W. Riker

Mark W. Riker 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).

  • Publication number: 20030178253
    Abstract: A maintenance platform (10) comprises a main frame (12) with base frames (12,14) releasably interconnected by split clamps (50) and load transfer couplers (52). Upper extension frames (62,64) are mounted on the base frames (12,14). A balcony (82) and stabilizers (100) are also provided. The platform (10) is of modular construction and can be assembled and disassembled manually without tools for use on either improved or unimproved surfaces.
    Type: Application
    Filed: March 21, 2002
    Publication date: September 25, 2003
    Inventors: Robert J. Tatge, John W. Morris, Mark W. Riker, Richard J. Washichek