Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257856 | Apparatus for forming a raised gripping edge on poured aggregate coping | William J. Stegmeier | 2001-07-10 |
| 6129869 | Method of forming a raised gripping edge on poured aggregate coping | William J. Stegmeier | 2000-10-10 |
| D399573 | Form board for swimming pool coping | William J. Stegmeier | 1998-10-13 |