Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336233 | Plumbing control system and method for prisons and push button therefor | Daniel C. Shaw | 2002-01-08 |
| 6018827 | Push button assembly for control of plumbing fixtures in prisons and the like | Daniel C. Shaw | 2000-02-01 |