Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D426067 | Portable toothbrush and toothpaste dispensing system | — | 2000-06-06 |
| D405555 | Combined cosmetic sharpener and cap | Albert M. Greenhouse | 1999-02-09 |
| D396886 | Pencil sharpener and cap | Albert M. Greenhouse | 1998-08-11 |