Errata In the list of patents which expired on November 23, 1994, due to failure to pay maintenance fees, in the O.G. of January 31, 1995, the following patent should not have appeared: Patent No. Serial No. Issue Date Filing Date Re. 32,080 06/640,865 02/11/86 08/15/84 (4,360,255) (06/286,332) (11/23/82) (07/23/81) In the list of patents which expired on December 26, 1993, due to failure to pay maintenance fees, in the O.G. of March 15, 1994, the following patent should not have appeared: Patent No. Serial No. Issue Date Filing Date Re. 34,561 07/816,028 03/15/94 12/30/91 (4,890,573) (07/223,630) (01/02/90) (07/25/88) In the list of patents which expired on December 04, 1994, due to failure to pay maintenance fees, in the O.G. of February 14, 1995, the following patent should not have appeared: Patent No. Serial No. Issue Date Filing Date 4,362,173 06/247,561 12/07/82 08/01/80