Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093079 | Toy vehicle track | — | 2000-07-25 |
| 5876533 | Method of sealing a manhole riser and a catch basin and apparatus for same | Jeffrey W. House, William K. House | 1999-03-02 |
| 5531485 | Method for sealing a pipe juncture | Jeffrey W. House, William K. House | 1996-07-02 |
| 5511897 | Method of sealing a manhole riser and a catch basin and apparatus for same | William K. House | 1996-04-30 |