Assignee
Inventors
- Martin Parker (9 patents)
- Unknown
- Ash Prabala (3 patents)
- Frank W. Armstrong (13 patents)
- Jeffrey Erickson (9 patents)
- Gregory A. Havenga (4 patents)
- Charles Taylor (7 patents)
- William Ratdke (1 patents)
US Patent 9402042 · Granted Jul 26, 2016