Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877676 | Hot melt ink transparency | Linda T. Creagh, Steven F. Fulton, Bruce A. Paulson, Robert R. Schaffer, Charles W. Spehrley, Jr. | 1989-10-31 |
| 4835554 | Ink jet array | Robert R. Schaffer, Kenneth H. Fischbeck | 1989-05-30 |
| 4825227 | Shear mode transducer for ink jet systems | Kenneth H. Fischbeck | 1989-04-25 |
| 4814786 | Hot melt ink supply system | Nathan P. Hine, Charles W. Spehrley, Jr. | 1989-03-21 |
| 4801473 | Method for preparing a hot melt ink transparency | Linda T. Creagh, Steven F. Fulton, Bruce A. Paulson, Robert R. Schaffer, Charles W. Spehrley, Jr. | 1989-01-31 |