Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8550142 | Vertical hung window shade assembly with roll up and side shifting dual panel or panels | Ernest DiSilvestro | 2013-10-08 |
| 6651720 | Dual panel window shade apparatus | Earnest DiSilvestro | 2003-11-25 |
| 5271601 | Regulator valve with diaphragm support | William J. Bonzer, John W. Duffy, Douglas C. Pfantz, Gary L. Scott, William H. Earney | 1993-12-21 |