Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029677 | Water purification method | J. Tad Heyman | 2011-10-04 |
| 8002977 | Storm drain anchored grate cover | J. Tad Heyman, Phyl Kimball | 2011-08-23 |
| 7950706 | Magnetic bumper guard | J. Tad Heyman, Mathias Legros, Thierry Agullo Ponce | 2011-05-31 |
| 7887257 | Drain sealing device | J. Tad Heyman | 2011-02-15 |
| 7879233 | Drain grate filter assembly with compressible anchors | J. Tad Heyman, Phyl Kimball | 2011-02-01 |