Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319067 | Polyketone elastomer | Charles M. Lewis | 1994-06-07 |
| 5006627 | Power transmission belts prepared from polyimide and polyketone elastomers | Charles M. Lewis | 1991-04-09 |
| 4983705 | Thermoplastic elastomeric polyimide linked by oligomeric thio chain | Charles M. Lewis | 1991-01-08 |
| 4959444 | Reaction injection moldable (rim) thermoset polyimide, and polyketone elastomers | Charles M. Lewis | 1990-09-25 |