Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339931 | Porous copper powder modified friction material | Peter H. Tsang, Seong K. Rhee | 1994-08-23 |
| 4883023 | Polymeric membrane air separator for a turbocharger and brake system in a vehicle | Peter H. Tsang, Seong K. Rhee, James M. Kubik | 1989-11-28 |
| 4239666 | Lignin modified friction material | Robert Gager | 1980-12-16 |