Assignee
Inventors
- Gregory J. Arnold (4 patents)
- Michael P. Conner (4 patents)
- James S. Havers (7 patents)
- Ben H. Graves (4 patents)
- David K. Crabbe (10 patents)
- David C. Elms (4 patents)
- Bonnie L. Crabbe (4 patents)
US Patent D426480 · Granted Jun 13, 2000