Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120811 | Polymer/glass hybrid coating | Robert P. Ryan | 1992-06-09 |
| 5023140 | Floor covering having a modified glass wear layer | Robert P. Ryan | 1991-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120811 | Polymer/glass hybrid coating | Robert P. Ryan | 1992-06-09 |
| 5023140 | Floor covering having a modified glass wear layer | Robert P. Ryan | 1991-06-11 |