Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101835 | Water and ice dispensing apparatus | Otto R. Butsch | 2000-08-15 |
| 4703404 | Portable lighting device | George N. Panagiotou | 1987-10-27 |
| 4582448 | Releasable wheel axle device | William D. Costello | 1986-04-15 |
| 4474385 | Removable wheel assembly for wheelchairs | William D. Costello, Martin B. Frank | 1984-10-02 |
| 4422660 | Removable wheel assembly for wheelchairs | William D. Costello, Martin B. Frank | 1983-12-27 |