Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848718 | Apparatus for molding heat weldable pipe fittings | — | 1989-07-18 |
| 4825534 | Method of manufacturing heat-weldable thermoplastic fittings | Peter White, Ronald A. Street, Christopher I. Greaves | 1989-05-02 |