Patents Assigned to Davies, Inc.
  • Method and apparatus for producing lightweight concrete structure
    Patent number: 5775047
    Abstract: A cementitious structural member has a high volume of encapsulated captive air and has an unusually high compressive and shear strength.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: July 7, 1998
    Assignee: Davies, Inc.
    Inventor: Daniel M. Jensen