Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118720 | Method for producing polyurethane foam and apparatus therefor | Robert D. Wheeler, Ronald J. Wierzbicki, George Bertram | 1992-06-02 |
| 5055272 | Method for producing polyurethane foam and apparatus therefor | Robert D. Wheeler, Ronald J. Wierzbicki, George Bertram | 1991-10-08 |