Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957908 | Environmental shield for a truck mounted concrete mixer | Michael Bozich Calhoun, Jack Harowitz | 2005-10-25 |
| 4201832 | Non melt-drip flame retardant polycarbonate composition | Walter L. Hall | 1980-05-06 |