Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739836 | Arrangement for use in surface treatment | Michael J. B. Sewell, Christopher K. B. Sewell, Charles P. B. Sewell, Margaret I. Sewell | 1988-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739836 | Arrangement for use in surface treatment | Michael J. B. Sewell, Christopher K. B. Sewell, Charles P. B. Sewell, Margaret I. Sewell | 1988-04-26 |