Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975811 | Sintered ceramic ball and method of making same | — | 2018-05-22 |
| 4631160 | Method of manufacturing ceramic substrate for fine-line electrical circuitry | Richard A. Langman, Michael P. Letzig | 1986-12-23 |
| 4340635 | Ceramic substrate for fine-line electrical circuitry | Richard A. Langman, Michael P. Letzig | 1982-07-20 |