Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497985 | Method for marking steel and aluminum alloys | Mary Helen McCay, T. Dwayne McCay, John A. Hopkins, Narendra B. Dahotre, C. Michael Sharp +1 more | 2002-12-24 |
| 6423162 | Method for producing decorative appearing bumper surfaces | Mary Helen McCay, T. Dwayne McCay, Narendra B. Dahotre, John Brice Bible, John A. Hopkins | 2002-07-23 |