Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236489 | Shear mechanism safety | John N. Brancati | 1993-08-17 |
| 4781746 | Drive apparatus for straight line shear mechanism | Robert J. Duga | 1988-11-01 |
| 4687502 | Universal servo-driven gob distributor | Robert J. Douglas, John P. Mungovan, Robert P. Andersen, Vaughan Abbott | 1987-08-18 |
| 4599101 | Universal servo-driven gob distributor | Robert J. Douglas, John P. Mungovan, Robert P. Andersen, Vaughan Abbott | 1986-07-08 |
| 4579572 | Method and apparatus for aligning a plunger assembly in a glass feeder | Robert J. Duga, Robert J. Douglas, John E. Suomala, Constantine W. Kulig, Kenneth L. Bratton | 1986-04-01 |
| 4551163 | Electronic glass feeder plunger operating mechanism | Robert J. Duga, Constantine W. Kulig, Robert J. Douglas, Robert P. Andersen | 1985-11-05 |
| D266121 | Support stand for turntable | — | 1982-09-14 |