Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D916321 | Jamb liner | Shane Hedley McDuff, Yuri Dolgikh | 2021-04-13 |
| D908474 | Pulley balancing device for windows | Shane Hedley McDuff, Nigel Proctor, Yuri Dolgikh, Drew Phillip Anthony | 2021-01-26 |
| 4823792 | Gripping device and locking mechanism for use therewith | David H. Dulebohn | 1989-04-25 |