Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9770796 | Methods of using a 4-way compression grooved coupling | — | 2017-09-26 |
| 9746119 | Grooved-ended resilient expansion joint for joining a pair of groove-ended pipes | — | 2017-08-29 |
| 8905440 | Grooved-ended resilient expansion joint and method of resiliently joining together a pair of grooved-ended pipes | — | 2014-12-09 |
| 8621741 | 4-way compression grooved coupling | — | 2014-01-07 |