Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479863 | Cell top insulator | Robert E. Manwell, Clifford J. Krauss, Douwe Ybema | 1984-10-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479863 | Cell top insulator | Robert E. Manwell, Clifford J. Krauss, Douwe Ybema | 1984-10-30 |