Assignee
No assignee recorded.
Inventors
- Glade H. Howell (114 patents)
- Weston F. Harding (194 patents)
- Christopher Cindrich (54 patents)
- Ralph L. Sonderegger (133 patents)
- Joseph Frodsham (4 patents)
US Patent 7935080 · Granted May 3, 2011
No assignee recorded.