Assignee
No assignee recorded.
Inventors
- Unknown
- Ernest E. Kern (3 patents)
- O. C. Karkalits (2 patents)
- Donald L. Wise (22 patents)
- Alfred P. Leuschner (2 patents)
- David Odelson (2 patents)
- Hans E. Grethlein (10 patents)
US Patent 6143534 · Granted Nov 7, 2000
No assignee recorded.