Patents by Inventor Ian A. McKenzie

Ian A. McKenzie 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).

  • Guide assembly
    Patent number: 5544722
    Abstract: A guide assembly has a roller to guide a conveyance within a shaft. The assembly includes first and second biasing devices and a support for the roller.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: August 13, 1996
    Assignee: Continental Aktiengesellschaft
    Inventor: Ian A. McKenzie