Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380370 | Latch for securing tiltable window panels and sashes to a window frame | Dennis Carlson, Dennis Westphal | 1997-07-01 |
| D380137 | Latch for securing tiltable window panels and sashes to a window frame | Dennis Carlson, Dennis Westphal | 1997-06-24 |
| D380138 | Vent stop for window sashes | Dennis Carlson, Dennis Westphal | 1997-06-24 |
| 5618067 | Tilt latch device | Dennis Carlson, Dennis Westphal | 1997-04-08 |