Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270289 | Process and device for rehabilitating pipes | Herbert Schreiner | 2001-08-07 |
| 6227764 | Pipe rehabilitation system and method for introducing a lining hose from a sewer main into a service pipe | Herbert Schreiner | 2001-05-08 |