Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34273 | Double window shade assembly with independent shade movement | William R. Phillips, Blaine A. Bush, John J. O'Brien | 1993-06-08 |
| 4953610 | Double window shade assembly with independent shade movement | William R. Phillips, Blaine A. Bush, John J. O'Brien | 1990-09-04 |