Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D437494 | Garment hanger | Marianne Grisdale, Ralph LaZar | 2001-02-13 |
| D435174 | Pants hanger | Marianne Grisdale, Ralph LaZar, Bruce MacGregor, Alexander Kazaks | 2000-12-19 |
| 5897007 | Nursing bottle | Charles Meyer, Paul Silas | 1999-04-27 |