Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148080 | Incandescent lamp filament incorporating hafnium | — | 1992-09-15 |
| 4394422 | Bonded structure and process of making same | John J. Rausch | 1983-07-19 |
| 4372995 | Process of making surface alloyed parts | John J. Rausch | 1983-02-08 |
| 4242420 | Selective chromizing in a molten lead medium | John J. Rausch | 1980-12-30 |