Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885783 | Elastomer membrane enhanced electrostatic transducer | Lorne A. Whitehead, Francis L. Curzon | 1989-12-05 |
| 4842383 | Electrodeless plating method for combining the polymerization and the coating of electrochromic polymers | Sze Cheng Yang | 1989-06-27 |