Assignee
No assignee recorded.
Inventors
- Antonio Sanfilippo (6 patents)
- Augustin J. Calapristi (4 patents)
- Vernon L. Crow (8 patents)
- Elizabeth G. Hetzler (8 patents)
- Alan E. Turner (7 patents)
US Patent 7636730 · Granted Dec 22, 2009
No assignee recorded.