Assignee
No assignee recorded.
Inventors
- John Joseph Philbin (8 patents)
- Alexander Gates Campbell (7 patents)
- Samuel Thomas Benediktson (6 patents)
- Leon Xiaoliang Zhao (8 patents)
- Vincent Borreros Villaruel (6 patents)
US Patent 7489940 · Granted Feb 10, 2009
No assignee recorded.