Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144279 | Electrical choke for power factor correction | Aliki Collins, John Silgailis, Ryusuke Hasegawa | 2000-11-07 |
| 5157822 | Plate working machine | — | 1992-10-27 |
| 4452923 | Polymer-modified polyols | William G. Carroll | 1984-06-05 |
| 4438252 | Polymer-modified polyols | William G. Carroll, Raymond J. Marklow | 1984-03-20 |