Assignee
Inventors
- Larry R. Nepsund (23 patents)
- Bradley Kuempel (40 patents)
- Donald F. Engel (36 patents)
- Bruce Allen Boehrs (31 patents)
- Sheldon Anderson (21 patents)
- Richard L. Bucholtz (11 patents)
- Thomas Lundgren (49 patents)
US Patent 9162172 · Granted Oct 20, 2015