Patents by Inventor Doug G. Schaefer

Doug G. Schaefer 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).

  • Adjustable foot rest
    Patent number: 5544941
    Abstract: A foot rest is provided with a platform that can be vertically adjusted and tilted by the user using only their feet. The foot rest includes a base with a support, a tilt column that cooperates with a locking assembly, and a platform. The locking assembly can be actuated by the user's foot to vary the vertical height of the platform. The platform is slidably engaged to the tilt column to allow the user to vary the inclination of the platform from the horizontal independently of the vertical adjustment.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: August 13, 1996
    Assignee: Fellowes Manufacturing Company
    Inventors: James K. Campbell, Ned C. Pfeiffer, Nicola Balderi, Doug G. Schaefer
  • Height and tilt adjustable wrist rest
    Patent number: 5507458
    Abstract: A wrist rest for a keyboard, such as for computers, that can be adjusted vertically in height and in inclination independently of each other.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: April 16, 1996
    Assignee: Fellowes Manufacturing Company
    Inventors: James K. Campbell, Ned C. Pfeiffer, Nicola Balderi, Doug G. Schaefer