Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909658 | High speed electron beam lithography pattern processing system | John Kay, Christine Ann Kostek, Jon E. Lieberman, Daniel Pierce, Robert Joseph Quickle +1 more | 1999-06-01 |
| 5621216 | Hardware/software implementation for multipass E-beam mask writing | William A. Enichen, John G. Hartley | 1997-04-15 |