Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764069 | Stepped down grip ring for use in pipe couplings and pipe coupling incorporating same | David Chelchowski, Malcolm Pridham | 2014-07-01 |
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Skip to contentShowing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764069 | Stepped down grip ring for use in pipe couplings and pipe coupling incorporating same | David Chelchowski, Malcolm Pridham | 2014-07-01 |