Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585126 | Returnable crate | John M. Grigsby, Sr., John M. Grigsby, Jr., Pete Darmer | 2003-07-01 |
| 6510862 | Marine engine winterizing system | — | 2003-01-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585126 | Returnable crate | John M. Grigsby, Sr., John M. Grigsby, Jr., Pete Darmer | 2003-07-01 |
| 6510862 | Marine engine winterizing system | — | 2003-01-28 |