Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333641 | Containment vessel for environmentally sealing a chemical compound | Richard L. Johnson | 1994-08-02 |
| 4993559 | Wafer carrier | — | 1991-02-19 |
| 4292264 | Method for producing polycrystalline ribbon | Richard W. Gurtler | 1981-09-29 |
| 4250148 | Apparatus and method for producing polycrystalline ribbon | Richard W. Gurtler | 1981-02-10 |