It seems like by doing the following, they get priority for any obviousness and prior art arguments back to 1992, but a filing date of 2003.
"This application is a continuation application of and claims priority to U.S. application Ser. No. 09/370,663, filed on Aug. 6, 1999, now abandoned which is a continuation of Ser. No. 08/934,457, filed Sep. 19, 1997, now U.S. Pat. No. 5,999,908, which is a continuation of Ser. No. 08/243,63 8, filed May 16, 1994, now abandoned, which is a continuation-in-part of Ser. No. 07/926,333, filed Aug. 6, 1992, now abandoned, the contents of each of which are incorporated by reference in their entireties. "
"This application is a continuation application of and claims priority to U.S. application Ser. No. 09/370,663, filed on Aug. 6, 1999, now abandoned which is a continuation of Ser. No. 08/934,457, filed Sep. 19, 1997, now U.S. Pat. No. 5,999,908, which is a continuation of Ser. No. 08/243,63 8, filed May 16, 1994, now abandoned, which is a continuation-in-part of Ser. No. 07/926,333, filed Aug. 6, 1992, now abandoned, the contents of each of which are incorporated by reference in their entireties. "