Patents by Inventor Michael E. Barker

Michael E. Barker 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).

  • Pre-cast security vault
    Patent number: 6510659
    Abstract: An easily constructed highly secure, walk-in vault uses pre-cast panels. A door frame is molded into one of the panels. The panels have interlocking joints with adjacent panels. The interlocking joints are protected with continuous, double burglary-proof seams situated in the interior of the vault. Abutting panels are securely held together by metal rods that penetrate the interlocking joints.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: January 28, 2003
    Inventors: Mark L. Boyer, Michael E. Barker
  • PRE-CAST SECURITY VAULT
    Publication number: 20020011035
    Abstract: An easily constructed, highly secure, walk-in vault uses pre-cast panels. A door frame is molded into one of the panels. The panels have interlocking joints with adjacent panels. The interlocking joints are protected with continuous, double burglary-proof seams situated in the interior of the vault. Abutting panels are securely held together by metal rods that penetrate the interlocking joints.
    Type: Application
    Filed: January 29, 1999
    Publication date: January 31, 2002
    Inventors: MARK L. BOYER, MICHAEL E. BARKER
  • Pre-cast security vault
    Publication number: 20020005020
    Abstract: An easily constructed, highly secure, walk-in vault uses pre-cast panels. A door frame is molded into one of the panels. The panels have interlocking joints with adjacent panels. The interlocking joints are protected with continuous, double burglary-proof seams situated in the interior of the vault. Abutting panels are securely held together by metal rods that penetrate the interlocking joints.
    Type: Application
    Filed: July 6, 2001
    Publication date: January 17, 2002
    Inventors: Mark L. Boyer, Michael E. Barker
  • Pre-cast security vault
    Patent number: 6003271
    Abstract: An easily constructed, highly secure, walk-in vault uses pre-cast panels. A door frame is molded into one of the panels. The panels have interlocking joints with adjacent panels. The interlocking joints are protected with continuous, double burglary-proof seams situated in the interior of the vault. Abutting panels are securely held together by metal rods that penetrate the interlocking joints.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: December 21, 1999
    Inventors: Mark L. Boyer, Michael E. Barker