Assignee
Inventors
- Joseph Anthony Perrotto (21 patents)
- Peter Popper (30 patents)
- Glen E. Simmonds (11 patents)
- Albert Tam (12 patents)
- David Carlton Visser (4 patents)
- William Charles Walker (25 patents)
- Joseph Leonda Jones (4 patents)
US Patent 7559121 · Granted Jul 14, 2009