Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002748 | Method for the preparation of copper arsenate | David L. Jones | 1991-03-26 |
| 4915802 | Method for making low alpha count lead | John A. Dunlop, Robert W. Smyth, Gerald W. Toop | 1990-04-10 |
| 4887492 | Method for making low alpha count lead | John A. Dunlop, Robert W. Smyth, Gerald W. Toop | 1989-12-19 |