Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660962 | Method for gas assisted energy beam engraving of a target object | Mary Helen McCay, C. Michael Sharp, John A. Hopkins, T. Dwayne McCay, Narendra B. Dahotre +1 more | 2003-12-09 |
| 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 | Frederick A. Schwartz, Mary Helen McCay, T. Dwayne McCay, Narendra B. Dahotre, John A. Hopkins | 2002-07-23 |
| 6328026 | Method for increasing wear resistance in an engine cylinder bore and improved automotive engine | Yucong Wang, Barry J. Brandt, Narendra B. Dahotre, John A. Hopkins, Mary Helen McCay +2 more | 2001-12-11 |
| 6299707 | Method for increasing the wear resistance in an aluminum cylinder bore | Mary Helen McCay, T. Dwayne McCay, John A. Hopkins, Narendra B. Dahotre, Frederick A. Schwartz | 2001-10-09 |
| 6294225 | Method for improving the wear and corrosion resistance of material transport trailer surfaces | Mary Helen McCay, T. Dwayne McCay, John A. Hopkins, Narendra B. Dahotre, Frederick A. Schwartz | 2001-09-25 |
| 6284067 | Method for producing alloyed bands or strips on pistons for internal combustion engines | Frederick A. Schwartz, Mary Helen McCay, T. Dwayne McCay, Narendra B. Dahotre, John A. Hopkins | 2001-09-04 |
| 6229111 | Method for laser/plasma surface alloying | Mary Helen McCay, T. Dwayne McCay, John A. Hopkins, Narendra B. Dahotre, C. Michael Sharp +1 more | 2001-05-08 |
| 6223137 | Method for marking, tracking, and managing hospital instruments | Mary Helen McCay, T. Dwayne McCay, John A. Hopkins, Frederick A. Schwartz, Narendra B. Dahotre +1 more | 2001-04-24 |
| 6173886 | Method for joining dissimilar metals or alloys | Mary Helen McCay, T. Dwayne McCay, Narendra B. Dahotre, John A. Hopkins, Frederick A. Schwartz | 2001-01-16 |
| 6016227 | Apparatus and method for producing an improved laser beam | John A. Hopkins, Frederick A. Schwartz, Mary Helen McCay, Thurman Dwayne McCay, Narendra B. Dahotre | 2000-01-18 |