Assignee
Inventors
- George E. Irons (1 patents)
- Paul R. Vinsand (1 patents)
- Dwayne S. Matthews (1 patents)
- John T. Dobyns (1 patents)
- Frans Ploeger (2 patents)
- Donald E. Munsell (1 patents)
- Alex deVries (3 patents)
US Patent 9120690 · Granted Sep 1, 2015