Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181423 | Beam | Ross John Bartlett, Ross Ian Dempsey, Alexander Noller, Keiji Yokoyama | 2012-05-22 |
| D542421 | Structural beam | Ross Ian Dempsey | 2007-05-08 |
| D541437 | Structural beam | Ross Ian Dempsey | 2007-04-24 |
| D541438 | Structural beam | Ross Ian Dempsey | 2007-04-24 |
| 6018328 | Self-forming rib reflector | Michael Nolan, Miguel A. Estevez, Karl J. Sakowski, Terry R. Denardo, Clarence Douglas Reddell +5 more | 2000-01-25 |
| D417290 | Extended welded metal section for an I-beam structure | Leslie D. Goleby | 1999-11-30 |