Changes
=== List of patents ===
{| border="1" cellpadding="9", style="#008080"
!width="20" bgcolor=DodgerBlue|'''Rec. no.'''
!width="70" bgcolor=DodgerBlue|'''Patent no.'''
!width="20" bgcolor=DodgerBlue|'''Rec. no.'''
!width="70" bgcolor=DodgerBlue|'''Patent no.'''
|- style="height:10px"
|bgcolor=LightCyan|1
|bgcolor=LightCyan|US20020052498
