Patents by Inventor Robert J. McDougall

Robert J. McDougall 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: 4434587
    Abstract: A turbine-driven sander includes a relatively thin, one-piece resilient dust shroud having a skirt surrounding a sander housing. The skirt has a rear wall which is split to form two opposing end portions, which are releasibly connected at an integral joint. The skirt has a front wall including a nozzle cover portion, and a pair of side walls having inwardly-extending lips. When attached to the housing the skirt sealingly engages the housing and creates a passage for dust-entrained air to flow from a platen to the nozzle. The air then flows to the turbine, eventually being exhausted into a source of vacuum.
    Type: Grant
    Filed: September 1, 1981
    Date of Patent: March 6, 1984
    Assignee: Black & Decker Inc.
    Inventor: Robert J. McDougall
  • Patent number: 4389779
    Abstract: A housing for a chain saw which is a clamshell type having a support section and a cover section. The cover section has a lower section which is at least three times wider than the width of the support section. The cover section has stiffening ribs formed on the underside of the wide lower section. Fastening means enterconnect the support section and the cover section.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: June 28, 1983
    Assignee: Black & Decker Inc.
    Inventors: Douglas G. Overbury, Robert J. McDougall
  • Patent number: D412100
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: July 20, 1999
    Inventors: James J. Kruse, Robert J. McDougall