Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884377 | Method and apparatus for microcellular polymer extrusion | Theodore A. Burnham, Sung W. Cha, Robert H. Walat, Roland Kim, Jere R. Anderson +2 more | 2005-04-26 |
| 6613811 | Microcellular thermoplastic elastomeric structures | Sung W. Cha | 2003-09-02 |
| 6284810 | Method and apparatus for microcellular polymer extrusion | Theodore A. Burnham, Sung W. Cha, Robert H. Walat, Roland Kim, Jere R. Anderson +2 more | 2001-09-04 |
| 4437351 | Control stick force transducer | Harold J. McGrann, John F. Orn | 1984-03-20 |