Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5906805 | Stabilized hydroxylamine solutions | Chin-Hsiung Chang, Zhenrong Qian | 1999-05-25 | $82,688,000 |
| 5461023 | Storage of natural gas | Chin-Hsiung Chang, Gary J. Seminara | 1995-10-24 | $28,215,000 |
| 4322254 | Regeneration of electrical conductivity of metallic surfaces | James P. Shoffner | 1982-03-30 |