Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875353 | Synthetic material filter | — | 2005-04-05 |
| 6021959 | Vehicle mounted fluid delivery system with retractable arm | John M. Mayfield, Jr., Ted E. Mayfield | 2000-02-08 |
| 6010079 | Vehicle mounted fluid delivery system with retractable arm | John M. Mayfield, Jr., Ted E. Mayfield | 2000-01-04 |
| 5794661 | Tank isolation valve | — | 1998-08-18 |
| 5504950 | Variable temperature electronic water supply system | Tan Pham | 1996-04-09 |
| D360680 | Water faucet assembly | Tan Pham | 1995-07-25 |