Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682082 | Translucent polycrystalline alumina and method of making same | Arlene Hecker, David Alan Goodman | 1997-10-28 |
| 5631201 | Translucent polycrystalline alumina and method of making same | Arlene Hecker, David Alan Goodman | 1997-05-20 |
| 5621275 | Arc tube for electrodeless lamp | Jerry Kramer, John Walsh, Walter P. Lapatovich | 1997-04-15 |
| 5592048 | Arc tube electrodeless high pressure sodium lamp | Walter P. Lapatovich, Paul H. Ingalls | 1997-01-07 |