Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678685 | Method for rapid controlled coating of the inner surfaces of pipes with a tenacious calcite lining | David Hasson | 1987-07-07 |
| 4264651 | Method for calcite coating on the inner surface of pipes | David Hasson | 1981-04-28 |