Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021862 | Method for remediation of contaminated ground at oil or gas facility | — | 2006-04-04 |
| 6749526 | Golf greens speed and contour teaching device | — | 2004-06-15 |
| 6749527 | Portable golf greens speed meter | — | 2004-06-15 |
| 6589248 | Patellar alignment device | — | 2003-07-08 |
| 5573696 | Oil-soluble phosphorus- and nitrogen-containing additives | Rolfe J. Hartley, Vasudevan Balasubramaniam | 1996-11-12 |
| 5500140 | Oil-soluble phosphorus- and nitrogen-containing additives | Rolfe J. Hartley, Vasudevan Balasubramaniam | 1996-03-19 |