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