Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559166 | Substitute ground surface material, preparation method therefor, and ground treatment method | — | 1996-09-24 |
| D372400 | Tube cake cooler | — | 1996-08-06 |
| 5455295 | All weather racetrack composition | Sherman Kottle | 1995-10-03 |
| 4454086 | Making cross-linked styrene polymer foam | John Corbett | 1984-06-12 |