Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10156092 | Blind tilt assembly and method of controlling tilt ladders | Ralph Steenbergen, Wilfred Slobbe | 2018-12-18 |
| 9903157 | Rail for an architectural covering | Ralph Steenbergen | 2018-02-27 |