Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156587 | Holding device | Klaus Gagneur, Volker Schmidt | 2012-04-17 |
| 6023799 | Actuator for a patient support table | Klaus Mueglich | 2000-02-15 |
| 5213276 | Self-threading journal printer | David E. Weeks, Kenneth W. Hanna | 1993-05-25 |
| 5163763 | Dot matrix print head armature | David E. Weeks | 1992-11-17 |
| 4780007 | Record media thickness compensating mechanism | David E. Weeks, Winston B. Ferguson, Kenneth W. Hanna | 1988-10-25 |
| 4773772 | Printing apparatus | Kenneth W. Hanna, Richard S. Beardsley, II | 1988-09-27 |
| 4632580 | Dot matrix print head dampening mechanism | Kenneth W. Hanna, Hillis L. Wilson | 1986-12-30 |
| 4548521 | Dot matrix print head | Hillis L. Wilson | 1985-10-22 |
| 4502799 | Dot matrix print head | David E. Weeks, John W. Reece | 1985-03-05 |
| 4501506 | Dot matrix print head | David E. Weeks, John W. Reece | 1985-02-26 |
| 4484170 | Dot matrix print head solenoid assembly | David E. Weeks, John W. Reece | 1984-11-20 |