Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345971 | Method of replacing branch mains | Brian T. Sales, Adrian S. Parkes | 1994-09-13 |
| 5327924 | Abandonment of a branch main | Brian T. Sales, Adrian S. Parkes | 1994-07-12 |
| 5287893 | Head for replacing mains | Brian T. Sales, Adrian S. Parkes | 1994-02-22 |
| 5282494 | Replacement main having nozzle and vanes | Brian T. Sales, Adrian S. Parkes | 1994-02-01 |