Assignee
Inventors
- Michael Karl Crawford (17 patents)
- Hoang Vi Tran (8 patents)
- Frank Leonard Schadt, III (42 patents)
- Fredrick Claus Zumsteg, Jr. (14 patents)
- Andrew Edward Feiring (84 patents)
- Michael Fryd (47 patents)
US Patent 7507522 · Granted Mar 24, 2009