Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554335 | Process for engraving ceramic surfaces using local laser vitrification | William C. Fields, Dan Fredrick, Steve Grannemann, Phyllis Hannan | 1996-09-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554335 | Process for engraving ceramic surfaces using local laser vitrification | William C. Fields, Dan Fredrick, Steve Grannemann, Phyllis Hannan | 1996-09-10 |