Assignee
No assignee recorded.
Inventors
- James L. Gossett (8 patents)
- William V. Fitzgerald (26 patents)
- Raymond W. Micheel (9 patents)
- Unknown
- Donald R. Bush (10 patents)
- Wade Jonathon Helfer (21 patents)
US Patent 7681594 · Granted Mar 23, 2010
No assignee recorded.