Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282741 | Grate plate | Micahel R. Massaro, Bernard H. Schonbach, Thomas R. Lawall | 1994-02-01 |
| 5174747 | Grate plate | Michael Robert Massaro, Edward L. Puschock, Shane Alesi, Robert H. Holland | 1992-12-29 |