Patents by Inventor John M. Vrooman

John M. Vrooman 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).

  • Submersible lantern
    Patent number: 6929379
    Abstract: A lantern is provided that comprises a case having a plurality of walls defining a case interior. The plurality of walls includes opposing front and rear walls. A lighting port is formed through the front wall and a faceplate assembly is disposed in the case interior in substantial registration with the lighting port. The faceplate assembly is disposed so that it engages a portion of the front wall surrounding the lighting port to seal the lighting port. A solid-state illuminator assembly is disposed in the case interior in substantial registration with the faceplate assembly and in contact with the faceplate assembly. A bracing arrangement is disposed intermediate the solid-state illuminator assembly and the rear wall. The bracing arrangement is in contact with the solid-state illuminator assembly and is configured to restrict rearward movement of the solid-state illuminator assembly and the faceplate assembly.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: August 16, 2005
    Assignee: Northrop Grumman Corporation
    Inventors: Kurt J. Clemente, John M. Vrooman
  • Submersible lantern
    Patent number: 6851827
    Abstract: A lantern is provided that comprises a case having a plurality of walls defining a case interior. The plurality of walls includes opposing front and rear walls. A lighting port is formed through the front wall and a faceplate assembly is disposed in the case interior in substantial registration with the lighting port. The faceplate assembly is disposed so that it engages a portion of the front wall surrounding the lighting port to seal the lighting port. A solid-state illuminator assembly is disposed in the case interior in substantial registration with the faceplate assembly and in contact with the faceplate assembly. A bracing arrangement is disposed intermediate the solid-state illuminator assembly and the rear wall. The bracing arrangement is in contact with the solid-state illuminator assembly and is configured to restrict rearward movement of the solid-state illuminator assembly and the faceplate assembly.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: February 8, 2005
    Assignee: Nortrhop Grumman Corporation
    Inventors: Kurt J. Clemente, John M. Vrooman
  • Submersible lantern
    Publication number: 20040012953
    Abstract: A lantern is provided that comprises a case having a plurality of walls defining a case interior. The plurality of walls includes opposing front and rear walls. A lighting port is formed through the front wall and a faceplate assembly is disposed in the case interior in substantial registration with the lighting port. The faceplate assembly is disposed so that it engages a portion of the front wall surrounding the lighting port to seal the lighting port. A solid-state illuminator assembly is disposed in the case interior in substantial registration with the faceplate assembly and in contact with the faceplate assembly. A bracing arrangement is disposed intermediate the solid-state illuminator assembly and the rear wall. The bracing arrangement is in contact with the solid-state illuminator assembly and is configured to restrict rearward movement of the solid-state illuminator assembly and the faceplate assembly.
    Type: Application
    Filed: July 22, 2002
    Publication date: January 22, 2004
    Inventors: Kurt J. Clemente, John M. Vrooman