Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014135 | Method for forming a metal beam or stringer | Harold M. Brewer, JR., Steven McDonough, Charles Lee Phy, David Rose, Keith Willhite | 2021-05-25 |
| 10052670 | Stringer forming device and methods of using the same | Harold M. Brewer, JR., Steven McDonough, Charles Lee Phy, David Rose, Keith Willhite | 2018-08-21 |
| 5277520 | Grid composite for backfill barriers and waste applications | — | 1994-01-11 |
| 5199825 | Grid composite for longwall shield recovery in underground coal and trona mines | — | 1993-04-06 |