Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473476 | Method of reverse osmosis employing an improved porous glass membrane | Ronald Maddison | 1984-09-25 |
| 4413061 | Glass-ceramic structures and sintered multilayer substrates thereof with circuit patterns of gold, silver or copper | Ananda H. Kumar, Rao R. Tummala | 1983-11-01 |
| 4340408 | High silica glass | Ronald Maddison | 1982-07-20 |
| 4301324 | Glass-ceramic structures and sintered multilayer substrates thereof with circuit patterns of gold, silver or copper | Ananda H. Kumar, Rao R. Tummala | 1981-11-17 |