Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437823 | Method for molding a plastic article of varied density | Siebolt Hettinga | 1995-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437823 | Method for molding a plastic article of varied density | Siebolt Hettinga | 1995-08-01 |