Patents by Inventor Douglas Lumsden

Douglas Lumsden 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).

  • Publication number: 20120285904
    Abstract: A rowing boats storage rack system for rowing boats comprising at least one ā€œLā€ shaped frame, a moving head beam with a roller assembly, a winch assembly, a winch control, at least one rack arm with a roller assembly, a roller linkage assembly and a safety guard.
    Type: Application
    Filed: November 11, 2010
    Publication date: November 15, 2012
    Inventor: Douglas Lumsden
  • Patent number: 5068105
    Abstract: A fungal biocontrol preparation for control or prevention of plant fungal diseases comprises sporulated fungal biomass, a carrier and acid. The carrier preferably is vermiculite. The biocontrol preparation is resistant to bacterial proliferation in storage and handling and is effective in controlling damping-off diseases caused by soilborne fungal pathogens.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: November 26, 1991
    Assignees: W. R. Grace & Co.-Conn., The United States of America as represented by the Secretary of Agriculture
    Inventors: Jack A. Lewis, Douglas Lumsden, George Papavizas, Martha D. Hollenbeck, James F. Walter