Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739799 | Plumbing test plug | Joseph H. Carney | 1988-04-26 |
| 4662048 | Method of making a sewer pipe testing apparatus | Joseph H. Carney | 1987-05-05 |
| 4607664 | Plumbing test plug apparatus | Joseph H. Carney | 1986-08-26 |