Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326797 | Fire resistant roofing asphalt composition | David Michael Ploense, Robert Lilleston, Mario Butera | 1994-07-05 |
| 5286158 | Material distributing apparatus | — | 1994-02-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326797 | Fire resistant roofing asphalt composition | David Michael Ploense, Robert Lilleston, Mario Butera | 1994-07-05 |
| 5286158 | Material distributing apparatus | — | 1994-02-15 |