Assignee
Inventors
- Peter James Lupton (3 patents)
- Robert Buxton (4 patents)
- Ian Hunter (9 patents)
- Handel Glasnant Price (1 patents)
- Adam J. Richards (59 patents)
- John S. Tilling (12 patents)
- Dennis Jack Zimmer (4 patents)
US Patent 5745674 · Granted Apr 28, 1998