| US D602,673 S | ||
| Wheelchair ramp base | ||
| Richard D. Allen, Fairbury, Nebr. (US) | ||
| Assigned to Prairie View Industries, Inc., Fairbury, Nebr. (US) | ||
| Filed on Oct. 01, 2008, as Appl. No. 29/325,475. | ||
| Term of patent 14 Years | ||
| LOC (9) Cl. 12 - 05 | ||
| U.S. Cl. D34—32 |

| The ornamental design for a wheelchair ramp base, as shown and described. |