Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783420 | Building toy kit, component thereof, method of enhancing the glow, method of packaging, and package thereof | — | 2004-08-31 |
| 6190551 | Reservoir shower for rotary vacuum filter | David Brin Tidwell | 2001-02-20 |
| 5965017 | Sealed shower system for rotary vacuum filter | Ronnie Marsh, Donald E. Haley, David Brin Tidwell | 1999-10-12 |
| 5308488 | Drum structure for corrugated type rotary filters | — | 1994-05-03 |