Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499987 | Positive control non-return valve for an injection molding machine | Michael F. Durina | 2002-12-31 |
| RE37580 | Guard ring electrostatic chuck | Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. | 2002-03-12 |
| RE37541 | Electrostatic chuck with reference electrode | Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. | 2002-02-05 |