Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10793724 | Formulation and methods for coating metal surfaces | John M. Ryan, Purushothaman Kesavan, Satyabrata Mukherjee | 2020-10-06 |
| 10532956 | Natural stone sealer compositions | Barry Culkin, Roger Questel, Robert Harrington, Douglas Croteau, Purushoth Kesavan +2 more | 2020-01-14 |