Errata

  In the list of patents which expired on December 24, 1995, due to
failure to pay maintenance fees, in the O.G. of February 27, 1996, the
following patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,423,086                06/276,361            12/27/83           10/16/80


                                    Errata

  In the list of patents which expired on June 21, 1995, due to failure
to pay maintenance fees, in the O.G. of August 29, 1995, the following
patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,388,839                06/287,713            06/21/83           11/26/80


                                    Errata

  In the list of patents which expired on June 28, 1995, due to failure
to pay maintenance fees, in the O.G. of September 5, 1995, the following
patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,389,830                06/230,950            06/28/83           05/14/80


                                    Errata

  In the list of patents which expired on November 01, 1995 due to
failure to pay maintenance fees, in the O.G. of January 9, 1996, the
following patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,412,476                06/229,561            11/01/83           05/06/80


                                    Errata

  In the list of patent which expired on October 08, 1995, due to
failure to pay maintenance fees, in the O.G. of December 19, 1995, the
following patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,408,498                06/247,400            10/11/83           08/06/79


                                    Errata

  In the list of patents which expired on August 06, 1995, due to
failure to pay maintenance fees, in the O.G. of October 17, 1995, the
following patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,397,853                06/253,930            08/09/83           11/25/80


                                    Errata

  In the list of patents which expired on September 10, 1995, due to
failure to pay maintenance fees, in the O.G. of November 21, 1995, the
following patent should not have appeared:

Patent Number           Serial Number         Issue Date       Filing Date

4,404,192                06/253,931            09/13/83           08/20/80