Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860866 | Steel pin and method for its manufacture | Don T. Van Allman, James H. Syvarth, William M. Heflin | 1999-01-19 |
| 5658109 | Steel pin and method for its manufacture | Don T. Van Allman, James H. Syvarth, William M. Heflin | 1997-08-19 |