Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7127984 | Dischargeable storage device for distributing food over a surface | — | 2006-10-31 |
| 6755122 | Dischargeable storage device for distributing food over a surface | — | 2004-06-29 |
| 6743360 | Manhole debris-catching system | John G. Petersen | 2004-06-01 |
| 6613228 | Manhole debris-catching system | John G. Petersen | 2003-09-02 |
| 5690047 | Buoyant anchorage mechanism | — | 1997-11-25 |
| 5511432 | Holder for corrugated paperboard test specimen during edge compression test | — | 1996-04-30 |
| 5146823 | Method and apparatus for precision cutting of corrugated paperboard specimens | — | 1992-09-15 |