Assignee
No assignee recorded.
Inventors
- Bruce Paul Davidson (3 patents)
- Ralph Eberhard Graichen (2 patents)
- Robert Zweigerdt (4 patents)
- Xiuqin Xu (4 patents)
- Christine Lindsay Mummery (8 patents)
- William Sun (20 patents)
US Patent 8318489 · Granted Nov 27, 2012
No assignee recorded.