Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D345427 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1994-03-22 |
| D343239 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1994-01-11 |
| D343005 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1994-01-04 |
| D338972 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-31 |
| D338968 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-31 |
| D338970 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-31 |
| D338971 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-31 |
| D338719 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-24 |
| D338720 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-24 |
| D338078 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-03 |
| D338079 | Window component extrusion | Dennis Westphal, Jeffrey B. Hersh | 1993-08-03 |