Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584932 | Squirrel proof bird feeder | Charles B. Kirkwood | 2003-07-01 |
| 6199541 | Internal ram fuel delivery | — | 2001-03-13 |
| 4204420 | Laminated board and hammer combination for a drop hammer forge | Thomas E. Rogers, Richard J. Rogers, James G. Rogers | 1980-05-27 |
| 4204421 | Laminated board and hammer combination for a drop hammer forge | Thomas E. Rogers, Richard J. Rogers, James G. Rogers | 1980-05-27 |