Assignee
Inventors
- Michael Venturino (58 patents)
- Randy Burr (7 patents)
- John Wallace de Vos (3 patents)
- Leon Robert Flesburg (4 patents)
- David W. Heyn (12 patents)
- Unknown
- Thomas George Olsen (5 patents)
- Unknown
US Patent 6416697 · Granted Jul 9, 2002