Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580006 | Sprocket crusher | Lloyd M. Thorndyke | 1996-12-03 |
| 4942658 | Method for manufacturing a magnetic head core with a flux gap having a precisely controlled length | Timothy W. Vandnais, Judy M. Ekern | 1990-07-24 |
| 4874922 | Granule vise for manufacturing a magnetic head core with a glass fillet adjacent the inner edge of the gap | Timothy W. Vadnais | 1989-10-17 |
| 4559743 | Method for calibrating a machining sensor | Alan G. Kracke, Allan L. Holmstrand | 1985-12-24 |
| 4536992 | Precision lapping system | Allan L. Holmstrand, Alan G. Kracke | 1985-08-27 |
| 4517041 | Method for attaching a workpiece to a workpiece carrier | Allan L. Holmstrand, Alan G. Kracke | 1985-05-14 |
| 4457114 | Workpiece carrier | Allan L. Holmstrand, Alan G. Kracke | 1984-07-03 |
| 4297781 | Method of aligning a precision grinding wheel assembly | Robert A. Johnson, Allan L. Holmstrand | 1981-11-03 |
| 4279102 | Method of manufacturing narrow track ferrite head cores | Robert A. Johnson, Allan L. Holmstrand | 1981-07-21 |
| 4236355 | Precision grinding wheel mount | Robert A. Johnson, Allan L. Holmstrand | 1980-12-02 |
| 4182643 | Method of forming gaps in magnetic heads | Arthur Calderon, Allan L. Holmstrand | 1980-01-08 |