Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943657 | Communications pricing and charging maintenance sub-system and process | David Freestone, Anthony Heritage, Brian S. Kerr, Timothy Regan, Clazien D Wezeman +1 more | 1999-08-24 |
| D287073 | Toothbrush | — | 1986-12-09 |
| D281202 | Toothbrush | — | 1985-11-05 |