This is an outtake from the April 1999 SB-2..

4.7  Form of Warrant to Purchase Common Stock (Swartz Family Partnership, L.P.) dated <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />June 2, 1997 exercisable to purchase an aggregate of 211,733 common shares at $1.69125 per share until June 2, 2002, granted to a group of investors in connection with the offering of securities in Exhibit 4.4 incorporated by reference to Exhibit 4.7 to Form 8-K dated June 16, 1997<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

http://sec.edgar-online.com/1999/04/14/15/0000936392-99-000425/Section24.asp

They've had their fingers in PTSC for a very long time... 

nearly from the begining...