Patents by Inventor Harold DeHaven, Jr.

Harold DeHaven, Jr. 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).

  • Patent number: 5678993
    Abstract: A known elastomeric non-methyl methacrylate soft material has been used as a soft denture liner material. The material includes powder and liquid components which are mixed together and cured. The invention involves new uses of the material. Where the invention involves a lining over a void in an acrylic denture, the resultant mixture is applied over the underlying surface of the acrylic over the void to chemically and mechanically bond the mixture in a seamless bond to the underlying surface of acrylic. A liner is formed having the characteristics of being flexible, resilient, shape retentive, hydrophobic, soft, spongy and cushiony. A known sealer component is then applied over the liner to create a non-absorbent exterior surface seal and glaze. Where the method is used to apply a liner around an implant cylinder or an implant healing cap anchored into a jaw bone the resultant mixture is applied around the surface of the implant or healing cap for forming a liner or gasket.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: October 21, 1997
    Assignees: Austenal, Inc., Nu-Dent, Inc.
    Inventors: Peter H. Jeffer, Richard F. Dettro, Harold DeHaven, Jr., Gerald J. Paluch
  • Patent number: 5513988
    Abstract: A known elastomeric methyl methacrylate-free soft material has been used as a denture reline material. The material includes powder and liquid components which are mixed together and cured. The invention involves new uses of the material. Where the invention involves lining over a void in an acrylic denture, the resultant mixture is applied over the underlying surface of the acrylic over the void to chemically and mechanically bond the mixture in a seamless bond to the underlying surface of acrylic. A liner is formed having the characteristics of being flexible, resilient, shape retentive, hydrophobic, soft, spongy and cushiony. A known sealer component is then applied over the liner to create a non-absorbent exterior surface seal and glaze. Where the method is used to apply a liner around an implant cylinder or an implant healing cap anchored into a jaw bone the resultant mixture is applied around the surface of the implant or healing cap for forming a liner or gasket around the implant or healing cap.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: May 7, 1996
    Assignee: Nu-Dent, Inc.
    Inventors: Peter H. Jeffer, Richard F. Dettro, Harold DeHaven, Jr.