Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107317 | Barbell collar system | Erik S. Hopperstad | 2018-10-23 |
| 10039949 | Barbell collar system | Erik S. Hopperstad | 2018-08-07 |
| 9993678 | Wall mounted exercise rack system | Erik S. Hopperstad | 2018-06-12 |
| 9844691 | Wall mounted exercise rack system | Erik S. Hopperstad | 2017-12-19 |
| 9649525 | Retractable wall mounted exercise rack system | Erik S. Hopperstad | 2017-05-16 |
| 9498670 | Retractable wall mounted exercise rack system | Erik S. Hopperstad | 2016-11-22 |
| 9409048 | Retractable wall mounted exercise rack system | Erik S. Hopperstad | 2016-08-09 |
| 9333387 | Retractable wall mounted exercise rack system | Erik S. Hopperstad | 2016-05-10 |