Assignee
Inventors
- Thomas Norman Barker (19 patents)
- Clive A. Collins (14 patents)
- Michael C. Dapp (18 patents)
- James Warren Dieffenderfer (30 patents)
- Billy J. Knowles (14 patents)
- David B. Rolfe (19 patents)
US Patent 5794059 · Granted Aug 11, 1998