Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955834 | Long lasting coatings for modifying hard surfaces and processes for applying the same | Robert Henry Rohrbaugh, Alan Scott Goldstein, Michael McDonald, Helen Frances O'Connor, John Michael Jensen +1 more | 2005-10-18 |
| 6872444 | Enhancement of color on surfaces | Michael McDonald, John David Carter, Robert Henry Rohrbaugh | 2005-03-29 |