Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871197 | Earthquake resistant pipe joints | Charles N. Codding, III, Philip I. McGrath, Jr. | 1989-10-03 |
| 4756784 | Method of making pipe-joint gasket | Lawrence S. Jones, Gene F. Fornaro | 1988-07-12 |
| 4540204 | Restrained pipe joint | Billy J. Battle, Robert M. Graham, Lawrence S. Jones, Andrew B. Malizio | 1985-09-10 |