Assignee
Inventors
- William J. Armstrong (110 patents)
- Scott N. Dunham (27 patents)
- David R. Engebretsen (50 patents)
- Gregory M. Nordstrom (76 patents)
- Steven M. Thurber (131 patents)
- Curtis C. Wollbrink (28 patents)
- Adalberto G. Yanes (51 patents)
US Patent 8606984 · Granted Dec 10, 2013