Assignee
No assignee recorded.
Inventors
- Ingvar E. Sodal (4 patents)
- Ronald R. Bowman (14 patents)
- Jerritt Hansell (12 patents)
- Justin S. Clark (14 patents)
- Michael J. Criddle (2 patents)
US Patent 4847493 · Granted Jul 11, 1989
No assignee recorded.