Assignee
Inventors
- Dane M. Coffey (11 patents)
- Daniel F. Keefe (4 patents)
- Arthur G. Erdman (53 patents)
- Benjamin Bidne (7 patents)
- Gregory Ernest Ostenson (7 patents)
- David M. Flynn (29 patents)
- Kenneth M. Merdan (20 patents)
US Patent 9818231 · Granted Nov 14, 2017