Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785436 | Data platemarking system | Michael E. Harrison, Robert N. French | 1998-07-28 |
| 5368400 | Marking apparatus with cable drive | David L. Cyphert | 1994-11-29 |
| 4573398 | Pressure control device and method of making the same | Carl N. Johnson, Hemant Phadke | 1986-03-04 |