Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D311585 | Window component extrusion | Dennis Westphal | 1990-10-23 |
| D310572 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1990-09-11 |
| D309950 | Window component extrusion | Dennis Westphal | 1990-08-14 |
| D308421 | Window component extrusion | Dennis Westphal | 1990-06-05 |
| D308103 | Window component extrusion | Dennis Westphal | 1990-05-22 |
| D307943 | Window component extrusion | Dennis Westphal | 1990-05-15 |
| D307944 | Window component extrusion | Dennis Westphal | 1990-05-15 |
| D307945 | Window component extrusion | Dennis Westphal | 1990-05-15 |
| D307802 | Window component extrusion | Dennis Westphal | 1990-05-08 |
| D307804 | Window component extrusion | Dennis Westphal | 1990-05-08 |
| D307801 | Window component extrusion | Dennis Westphal | 1990-05-08 |
| D307803 | Window component extrusion | Dennis Westphal | 1990-05-08 |
| D307486 | Design for a window component extrusion | Dennis Westphal | 1990-04-24 |
| D307485 | Window component extrusion | Dennis Westphal | 1990-04-24 |
| D307484 | Design for a window component extrusion | Dennis Westphal | 1990-04-24 |
| 4917416 | Window latching device | Dennis Westphal | 1990-04-17 |
| D306490 | Glazing bead for a window frame | Ludwig Reisinger, Dennis Westphal | 1990-03-06 |
| D300367 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300368 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300369 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300370 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |