Assignee
Inventors
- David T. MacPherson (19 patents)
- David R. Witty (28 patents)
- Gerard M. P. Giblin (9 patents)
- Michael Williams (10 patents)
- Donald G. Walker (11 patents)
- William F. Kiesman (10 patents)
- Unknown
US Patent 10421716 · Granted Sep 24, 2019