Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380370 | Latch for securing tiltable window panels and sashes to a window frame | Jeffrey B. Hersh, Dennis Westphal | 1997-07-01 |
| D380137 | Latch for securing tiltable window panels and sashes to a window frame | Jeffrey B. Hersh, Dennis Westphal | 1997-06-24 |
| D380138 | Vent stop for window sashes | Jeffrey B. Hersh, Dennis Westphal | 1997-06-24 |
| 5618067 | Tilt latch device | Jeffrey B. Hersh, Dennis Westphal | 1997-04-08 |
| 5575116 | Window vent stop | Jeffrey B. Hersh, Dennis Westphal | 1996-11-19 |
| 4602782 | Device for doing situps | — | 1986-07-29 |