Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746120 | Apparatus for closing and sealing the open end of a pipe | Guy Berube, Dave Uzonyi | 2017-08-29 |
| 9644448 | Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal | Guy Berube, Graham T. Brown | 2017-05-09 |
| 9181782 | Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal | Guy Berube, Graham T. Brown | 2015-11-10 |