Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9741389 | High performance robotic optical storage system | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more | 2017-08-22 |
| 9741390 | Optical disc drive | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more | 2017-08-22 |
| 9672863 | Disc gripper for storage discs | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +2 more | 2017-06-06 |