Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051811 | Solder or brazing barrier | Ralph E. Williams, David Rhine, John M. Bedinger | 1991-09-24 |
| 4827610 | Method of creating solder or brazing barriers | Ralph E. Williams, David Rhine, John M. Bedinger | 1989-05-09 |