Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359289 | Counterbalanced bidirectional shuttle drive having linear motor | Gordon B. Barrus | 1982-11-16 |
| 4280404 | Printer having variable hammer release drive | Gordon B. Barrus | 1981-07-28 |
| 4258623 | Print hammer mechanism having dual electromagnetic coils and pole pieces | Gordon B. Barrus | 1981-03-31 |
| 4239403 | Counterbalanced bidirectional shuttle drive | Glen R. Radke, Gordon B. Barrus | 1980-12-16 |
| 4233894 | Print hammer mechanism having dual pole pieces | Gordon B. Barrus | 1980-11-18 |