Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464196 | Apparatus and method for a temporary spread footing | Joe P. Crookham, David M. Crookham, James A. Whitson, Thomas A. Stone, Walter R. Tippett | 2002-10-15 |
| 6446408 | Collapsible pole | Myron Gordin, Thomas A. Stone | 2002-09-10 |