Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474739 | Microbiocidal composition | Robert H. McIntosh, Sr. | 1995-12-12 |
| 4290836 | Method of making composite pipe having an integral bell end | Alex L. McPherson, James Lawrence | 1981-09-22 |
| 4243075 | Composite pipe | Alex L. McPherson, James Lawrence | 1981-01-06 |
| 4240470 | Composite pipe having an integral bell end | Alex L. McPherson, James Lawrence | 1980-12-23 |