Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926656 | Method and apparatus for fabricating corrugated composite stiffeners | Slade H. Gardner | 2005-08-09 |
| 5124377 | Flame retardant polycarbonate composition having improved impact strength | Charles E. Lundy, Sivaram Krishnan | 1992-06-23 |
| 5120778 | Flame retardant polycarbonate composition having improved impact strength | Charles E. Lundy, Sivaram Krishnan | 1992-06-09 |
| 5109045 | Flame retardant polycarbonate compositions | Charles E. Lundy, Sivaram Krishnan | 1992-04-28 |
| 5087524 | Article molded from a polycarbonate composition having improved platability | Sivaram Krishnan, Peter H. Shu, Mark W. Witman | 1992-02-11 |
| 4880864 | Thermoplastic polycarbonates and blends with enhanced flame retardant properties | Winfried Paul, Sivaram Krishnan | 1989-11-14 |
| 4828921 | Polycarbonate molding compositions | Mark W. Witman, Sivaram Krishnan, Wolfgang Siebourg | 1989-05-09 |
| 4772655 | Pigmented, flame resistant polycarbonate compositions | Sivaram Krishnan, Roger J. White | 1988-09-20 |
| 4650823 | Iron oxide pigmented, polycarbonate compositions | Sivaram Krishnan, Roger J. White | 1987-03-17 |
| 4535143 | Process for the preparation of copolycarbonates of sulfonyl diphenol | Mark W. Witman, Sivaram Krishnan | 1985-08-13 |
| D254109 | Combined liquid dispenser and disposable cup holder | — | 1980-02-05 |