Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993133 | Retractable spare tire carrier | by Theresa Hoffman, executor | 1999-11-30 |
| 5296167 | Method and composition for inhibiting corrosion by sodium and calcium chloride | — | 1994-03-22 |
| 4978500 | Inhibitor for metal corrosion by brine | — | 1990-12-18 |
| 4950453 | Inhibiting corrosion by water | — | 1990-08-21 |