Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904697 | System for marking an arc segment | — | 2005-06-14 |
| 6817043 | Safety swimming pool replacement drain cover apparatus and method | — | 2004-11-16 |
| 6341387 | Safety device and method for swimming pool drain protection | — | 2002-01-29 |
| 6170095 | Main drain safety grate apparatus | — | 2001-01-09 |