Assignee
No assignee recorded.
Inventors
- J. Dean Cole (44 patents)
- Franz W. Kellar (44 patents)
- Michael D. Bissette (19 patents)
- Franz Austen Kellar (13 patents)
- Harold L. Crowder (34 patents)
US Patent 12290451 · Granted May 6, 2025
No assignee recorded.