Patents by Inventor Robert Arthur Horr

Robert Arthur Horr 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).

  • Curtain fire damper
    Patent number: 5782690
    Abstract: A damper door system that includes an opening in a planar wall, a retractable damper door and a track extending through said opening. The damper door includes slots that are conformable to the track when the door is in a closed position. In addition, the slots in the damper door include an intumescent material for sealing the door shut in the event of a fire.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: July 21, 1998
    Assignee: International Business Machines Corporation
    Inventors: Bradley Kent Gustafson, Robert Arthur Horr, David James Miller, Frederick Charles Ringer, Jr., Conrad Wexelblatt