Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577776 | Tee fitting for lined pipe | — | 1996-11-26 |
| 5505811 | Sidewall applicator for heat fusion of a fitting to a plastic pipe | Kenneth K. Chan | 1996-04-09 |
| 5005633 | Lens blocking apparatus | Herbert H. Mathews | 1991-04-09 |