Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072368 | Immediate duplication of I/O requests on a record by record basis by a computer operating system | Lawrence E. Larson | 1991-12-10 |
| 4862349 | Method for extracting and/or replacing control system information in a computer operating system | David Allan Hellenga, Richard K. Hill | 1989-08-29 |
| 4854349 | Sewage draining device for recreational vehicles or the like | — | 1989-08-08 |
| 4685413 | Tandem water ski towing device | — | 1987-08-11 |
| 4579075 | Tandem water ski towing device | — | 1986-04-01 |