Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D659467 | Kitchen tool handle | — | 2012-05-15 |
| D457780 | Handle for cheese grater | Pamela S. Hannum, John Szeto, William J. Calderwood | 2002-05-28 |
| D450543 | Napkin holder | Pamela S. Hannum, John Szeto, William J. Calderwood | 2001-11-20 |
| 4571175 | Process for a disposal of waste solutions | Hugh A. Bogle | 1986-02-18 |