Assignee
No assignee recorded.
Inventors
- Mark C. Doty (3 patents)
- Unknown
- Thomas E. Watson (11 patents)
- Paul K. Butler (3 patents)
- Quentin E. Cline (5 patents)
- Samuel J. Showalter (3 patents)
US Patent 8156757 · Granted Apr 17, 2012
No assignee recorded.