Assignee
No assignee recorded.
Inventors
- Frank A. Chambers (10 patents)
- R. Gilbert Kaufman (8 patents)
- Melvin C. Schmidt (6 patents)
- Michael G. Ressl (15 patents)
- John G. Kwasegrock (4 patents)
US Patent 5993074 · Granted Nov 30, 1999
No assignee recorded.