Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002982 | Deflector for a water/wastewater filtration tank | Brian K. Burcham, Timothy D. Wallis | 2011-08-23 |
| 4411121 | Structural member with truncated conical portion and composite panel including same | Peter Alfred Blacklin, James Dougherty, Richard J. Johnson | 1983-10-25 |
| 4203268 | Structural member and composite panel including same | Robert S. Gladden, Jr., Richard J. Johnson, Michael J. Karmazyn | 1980-05-20 |