Assignee
Inventors
- John Frederick Atherall (12 patents)
- Thomas Lawley Hough (7 patents)
- Stephen David Lindell (12 patents)
- Mary Josephine O'Mahony (7 patents)
- John H. Parsons (12 patents)
- Elizabeth A. Saville-Stones (12 patents)
US Patent 6541630 · Granted Apr 1, 2003