Patents Assigned to Everseal Preservation Labs., Inc.
  • System and method for preserving acid-containing articles
    Patent number: 5260023
    Abstract: An article preservation system and method includes an acid-containing article which is contacted with an alkaline substrate material and an artificial atmosphere which is substantially free of gaseous oxygen. The article, alkaline substrate material and artificial atmosphere are hermetically sealed, along with an oxygen-absorbing material, within an interior of a container.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: November 9, 1993
    Assignee: Everseal Preservation Labs, Inc.
    Inventor: Creed M. Evans, II
  • System and method for preserving acid-containing articles
    Patent number: 5219524
    Abstract: An article preservation system and method includes an acid-containing article which is contacted with an alkaline substrate material and an artificial atmosphere which is substantially free of gaseous oxygen. The article, alkaline substrate material and artificial atmosphere are hermetically sealed within an interior of a container, at least a portion of the container being at least partially transparent so as to permit viewing of the article from outside the container.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: June 15, 1993
    Assignee: Everseal Preservation Labs., Inc.
    Inventor: Creed M. Evans, II