Saturday, June 24th 2017 7:58PM EDT

Patents

US Patent # Date Issued
1. 4,738,623 April 19, 1988
2. 5,484,285 January 16, 1996
3. 5,499,918 March 19, 1996
4. 5,749,731 May 12, 1998
5. 5,827,062 October 27, 1998
6. 5,888,066 March 30, 1999
7. 6,200,345 March 13, 2001
8. 6,227,857 May 8, 2001
9. 6,290,500 September 18, 2001
10. 6,325,628 December 4, 2001
11. 6,592,370 July 15, 2003
12. 6,688,887 February 10, 2004
13. 6,991,462 January 31, 2006
14. 7,114,952 October 3, 2006
15. 7,214,062 May 8, 2007