Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805556 | Reactor system and method for forming uniformly large-diameter polycrystalline rods by the pyrolysis of silane | David W. Hagan, Thomas R. Thoman, McRea B. Willmert | 1989-02-21 |