Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D619923 | Plant pot | — | 2010-07-20 |
| 6116189 | Bird feeder | — | 2000-09-12 |
| 5123593 | Manual override heat sensitive valve | — | 1992-06-23 |
| 4912913 | Bag sealing machine | — | 1990-04-03 |
| 4813207 | Bag sealing machine | — | 1989-03-21 |
| 4553954 | Automatic case erector and sealer | Peter Clive Sewell, Karl L. Hanson | 1985-11-19 |
| 4375383 | High speed cold adhesive curing process and apparatus therefor | Peter Clive Sewell | 1983-03-01 |