Assignee
Inventors
- Catherine Procik Dulka (6 patents)
- John Frederick Ackerman (63 patents)
- David Sandusky (6 patents)
- Mark O. Lenz (4 patents)
- Leland L. Lantz (3 patents)
- Michael B. McMahan (1 patents)
- Glen Arthur MacMillan (5 patents)
US Patent 6633623 · Granted Oct 14, 2003