Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8511495 | Rampable crate for wheeled vehicles and method | Charles F. Grigsby | 2013-08-20 |
| 7229003 | Bulk materials container | John M. Grigsby, Jr. | 2007-06-12 |
| 6808106 | Restricted port air breathable bulk materials container | Charles F. Grigsby | 2004-10-26 |
| 6578758 | Air breathable bulk materials container | John M. Grigsby, Jr. | 2003-06-17 |
| 6126067 | Air breathable bulk materials container | John M. Grigsby, Jr. | 2000-10-03 |
| 5958171 | Method of making a structural member | John M. Grigsby, Jr. | 1999-09-28 |
| 5685234 | Structural member and pallet made therewith and method | John M. Grigsby, Jr. | 1997-11-11 |
| 5681641 | Structural member and pallet made therewith and method | John M. Grigsby, Jr. | 1997-10-28 |
| 5667620 | Method for making a structual member | John M. Grigsby, Jr. | 1997-09-16 |
| 5520982 | Structural member | John M. Grigsby, Jr. | 1996-05-28 |