Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876039 | Folded gasket and method of casting same in a wall | James W. Skinner, Michael R. Miller, Ronald W. Neuhaus | 1999-03-02 |
| 5741015 | Pipe to manhole seal | — | 1998-04-21 |
| 5732955 | Expandable compression ring | James W. Skinner, Fouad M. Deeb, Ronald W. Neuhaus, Michael R. Miller | 1998-03-31 |
| 5642891 | Radially expandable locking device for a pipe seal | — | 1997-07-01 |
| 5570890 | Expandable compression ring | James W. Skinner, Fouad M. Deeb, Ronald W. Neuhaus, Michael R. Miller | 1996-11-05 |
| 5507500 | Expandable compression ring with locking members | James W. Skinner, Michael R. Miller, Fouad M. Deeb | 1996-04-16 |
| 5150927 | Expandable seal arrangement | — | 1992-09-29 |
| 4702645 | Slipline adjustable manhole seal | Harry W. Skinner, James W. Skinner, William P. O'Donnell | 1987-10-27 |
| 4619555 | Slipline adjustable manhole seal | Harry W. Skinner, James W. Skinner, William P. O'Donnell | 1986-10-28 |
| 4478437 | Radially expandable locking sleeve device | — | 1984-10-23 |