Assignee
Inventors
- Samuel H. Duncan (59 patents)
- Glenn Arthur Herdeg (5 patents)
- Ricky C. Hetherington (60 patents)
- Craig D. Keefer (6 patents)
- Maurice B. Steinman (67 patents)
- Paul Michael Guglielmi (6 patents)
US Patent 6353877 · Granted Mar 5, 2002