Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7005483 | Epoxy ebonite compositions | Rong J. Chang, Edita Rojasova | 2006-02-28 |
| 6482894 | Quick set ebonite composition | Rong J. Chang, William L. Betts | 2002-11-19 |
| 5830405 | Molding methods, track resistant silicone elastomer compositions and improved molded parts with better arcing, flashover and pollution resistance | Rong J. Chang, Erling Hansen, Matt Spalding | 1998-11-03 |
| 5695841 | Molding methods, track resistant silicone elastomer compositions, and improved molded parts with better arcing, flashover, and pollution resistance | Rong J. Chang, Erling Hansen, Matt Spalding | 1997-12-09 |
| 5641827 | Tracking and erosion resistant composition | Rong J. Chang | 1997-06-24 |
| 5565392 | High strength porcelain and method therefor | Karin M. Kinsman, Ryan W. Dupon, Martha L. McCrum, Amy S. Chu | 1996-10-15 |
| 5461015 | High strength porcelain and method therefor | Karin M. Kinsman, Ryan W. Dupon, Martha L. McCrum, Amy S. Chu | 1995-10-24 |
| 5147984 | Cap and pin insulator | John Midgley | 1992-09-15 |