Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886875 | Apparatus using a circuit board having a frangible portion apparatus | William C. Phelps, III, Habib Amirzadeh | 1999-03-23 |
| 5558045 | Refractory tile for open-spaced boiler tubes | Arthur W. Cole | 1996-09-24 |