Patents by Inventor Dennis B. Drennan

Dennis B. Drennan 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: 4315504
    Abstract: An elbow suspension device for bed and ambulatory patients includes a tubular sleeve of flexible material adapted to be slipped onto the arm over the hand and the sleeve is provided with a base portion which is positioned in overlying relation with respect to the bony protuberance of the elbow. A first support pad of resilient foam is mounted in the sleeve on the base portion and includes a central opening adapted to annularly support an outer end portion of the bony protuberance of the elbow and elevate the end or tip of the elbow above the bed surface. A second support pad is mounted on top of the first pad and is also formed of resilient foam. The second pad includes an opening aligned with the opening in the first pad and somewhat larger with a cross-like shape having petal-like segments elongated in a direction longitudinally of the arm and segments elongated in a direction laterally thereof.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: February 16, 1982
    Assignee: DM Systems, Inc.
    Inventors: Dennis B. Drennan, Donald J. Maylahn, Thomas R. Schleicher