Patents by Inventor Raymond D. Rosendahl

Raymond D. Rosendahl 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).

  • Method of controlling height adjustable work station
    Patent number: 5323695
    Abstract: A method of using a work station having separate front and back tops having separate powered drive arrangements for permitting independent height adjustment. A controller, which is programmed by an operator, permits storage of a number of predetermined height locations each defining distinct heights for both tops. The operator effects programmed movement of the tops to predetermined height locations for predetermined times and in a predetermined sequence, with the rear top moving initially and the front top moving thereafter.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: June 28, 1994
    Assignee: Haworth, Inc.
    Inventors: Randall W. Borgman, William L. Cleair, Thomas J. Osterman, Paul M. Pierce, Brian D. T. Alexander, Daniel L. Fowler, Greg R. Pattok, Raymond D. Rosendahl, Donald W. Graham
  • Automated height adjustable work station
    Patent number: 5259326
    Abstract: A work station, particularly for supporting a computer, having separate front and back tops having separate powered drive arrangements for permitting independently height adjustment. The drive arrangement includes a separate drive motor associated with each top, with the motors being controlled by a controller, such as a microprocessor. The controller is preferably controlled by an operator using a portable keypad control which can be positioned on one of the tops. The controller can be programmed by the operator to permit storage of a number of predetermined height locations each defining distinct heights for both tops.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: November 9, 1993
    Assignee: Haworth, Inc.
    Inventors: Randall W. Borgman, William L. Cleair, Thomas J. Osterman, Paul M. Pierce, Brian D. T. Alexander, Daniel L. Flower, Greg R. Pattok, Raymond D. Rosendahl, Donald W. Graham