Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667737 | Sealing apparatus | James Shaw | 1987-05-26 |
| 4436283 | Gate valve | — | 1984-03-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667737 | Sealing apparatus | James Shaw | 1987-05-26 |
| 4436283 | Gate valve | — | 1984-03-13 |