Patents by Inventor S. Douglas Malecki

S. Douglas Malecki 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).

  • Headgear having safety illumination
    Patent number: D649669
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: November 29, 2011
    Inventors: S. Douglas Malecki, Michael Alexander