Errata

   In the list of patents which expired on March 24, 1999, due to failure
to pay maintenance fees, in the OG of June 1, 1999, Patent Number
4,652,115 should not have appeared since the fee was timely paid.

   In the list of patents which expired on May 19, 1999, due to failure to
pay maintenance fees, in the OG of July 13, 1999, Patent Number
5,416,486 should not have appeared since the fee was timely paid.