Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011372 | Aeration apparatus for pond | David E. Wasmer | 1991-04-30 |
| 4981622 | Aeration apparatus and method | David E. Wasmer | 1991-01-01 |
| 4805372 | Contoured package cover dispenser | — | 1989-02-21 |
| 4787632 | Golf club accessory for retrieving a golf ball | James L. Grau | 1988-11-29 |
| 4531345 | Case loader | Terry J. Nigrelli | 1985-07-30 |