Illllllllllllllllllllllllllllllllllllllllllllllll
US007240494B2
(12) United States Patent ao) Patent No.: Us 7,240,494 B2
Akei et al. (45) Date of Patent: Jul. 10,2007
(56) References Cited
U.S. PATENT DOCUMENTS
5,398,510 A * 3/1995 Gilley et al 62/3.6
5,605,047 A * 2/1997 Park et al 62/3.6
5,636,520 A * 6/1997 Spauschus et al 62/84
5,887,441 A * 3/1999 Spauschus et al 62/84
6,258,215 Bl * 7/2001 Samsonov et al 202/176
6.272.873 Bl * 8/2001 Bass 62/238.3
6,308,519 Bl* 10/2001 Bielinski 62/3.6
6,324,860 Bl * 12/2001 Maeda et al 62/271
6,351,950 Bl* 3/2002 Duncan 62/3.2
6,401,462 Bl* 6/2002 Bielinski 62/3.7
6.490.874 B2 * 12/2002 Chu et al 62/93
6,845,622 B2 * 1/2005 Sauciuc et al 62/3.7
FOREIGN PATENT DOCUMENTS
JP 2000-304396 A * 11/2000
* cited by examiner
Primary Examiner—Mohammad M. Ali
(74) Attorney, Agent, or Firm—Harness, Dickey & Pierce,
PL.C.
