Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683542 | Roll holder with retention member | — | 1997-11-04 |
| D369832 | Hand held masking machine | — | 1996-05-14 |
| D361088 | Hand held masking machine | — | 1995-08-08 |
| 4986368 | Planting apparatus | John Underwood | 1991-01-22 |