Assignee
Inventors
- Bard B. Betz (1 patents)
- Daniel J. Conley (8 patents)
- Larry Blankenship (10 patents)
- Stephen J. Krienick (1 patents)
- Bradley J. Denny (6 patents)
- Charles T. Bovey (1 patents)
- Jeffrey Paul Castleberry (18 patents)
US Patent 4759349 · Granted Jul 26, 1988