Assignee
No assignee recorded.
Inventors
- Dorothy L. Stewart (2 patents)
- James Fredrickson (7 patents)
- James Campbell (38 patents)
- John W. Pyne (24 patents)
- Roger M. Bean (3 patents)
- Bary Wilson (15 patents)
US Patent 5084160 · Granted Jan 28, 1992
No assignee recorded.