Assignee
Inventors
- James M. Adley (8 patents)
- Vernon M. Balthis (3 patents)
- Dean S. Ehn (2 patents)
- Ralph F. Fox (1 patents)
- Jacob Pacansky (1 patents)
- Robert L. Vollmer (6 patents)
- Robert Waltman (16 patents)
US Patent 5130215 · Granted Jul 14, 1992