Patents by Inventor Matthew Charles Grillo

Matthew Charles Grillo 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).

  • Protective Headwear
    Publication number: 20110072547
    Abstract: A helmet includes a shell having a lower edge, and an edge support extending around the lower edge of the shell. The edge support has a greater structural rigidity than the shell. The helmet can further include a retention strap system, and the edge support can include at least one attachment to attach the retention strap system to the helmet. The attachment can, for example, include a seating, and the helmet can, for example, further include an abutment member removably seatable within the seating. The abutment member can be attachable to a strap of the retention strap system.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 31, 2011
    Applicant: Mine Safety Appliances Company
    Inventors: Mason T. Doria, April Lynn Winwood, Matthew Charles Grillo, Samuel David Onuska