| Referencia |
|---|
| 1 | Disc‘O’Sit Air Cushion, etc. Perform Better, available on information and belief at least as early as Feb. 2000; and on http://performbetter.com/catalog/product.asp., printed on Oct. 28, 2003. |
| 2 | Duradisk Wobble Board, etc. www.paulchekseminars.com, available on information and belief at least as early as Feb. 2000; and on http://www.checkinstitute.com/products specifics.cfm?product-77. printed Oct. 28, 2003. |
| 3 | Duradisk, etc. www.paulcheckseminars.com, available on information and belief at least as early as Feb. 2000. |
| 4 | Dyna-Disc Pillow, etc., Perform Better, available on information and belief at least as early as Feb. 2000. |
| 5 | Exercise Balls and Ball Base; Gymnic Line, etc. www.balldynamics.com, available on information and belief at least as early as Feb. 2000; abd on http://www.balldynamics.com/, printed Oct. 28, 2003. |
| 6 | Jump Board: Digital photographs showing a toy called "jump board" made by Hedstrom Corporation, available on information and belief at least as early as August 2000. |
| 7 | K.A.T. 2000 www.oemmedical.com (printed Jan. 10, 2000), 2 pages. |
| 8 | K.A.T. 500 products sheet, available on information and belief at least as early as Feb. 2000. |
| 9 | K.A.T. 550 product description, available on information and belief at least as early as Feb. 2000. |
| 10 | Lower Extremity, Exercise Equipment (K.A.T. Products), available on information and belief at least as early as Feb. 2000. |
| 11 | Pogo Ball Drawing, available on information and belief at least as early as Feb. 2000. |
| 12 | Sit Fit, www.rpsportsinc.com/balance.htm, available on information and belief at least as early as Feb. 2000. |
| 13 | www.myfitnesstrainer.net, 4 selected screen shots, printed Feb. 26, 2001. |
