Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284809 | Thermally insulating syntactic foam composition | Michael Toupin, James Yeh | 2001-09-04 |
| 4246167 | Foundry binder composition | Robert A. Grimm, Heimo J. Langer | 1981-01-20 |