Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842546 | Split backplate for noise suppression in brake pad assemblies | — | 1998-12-01 |
| 5355986 | Clutch and disc brake friction assembly | — | 1994-10-18 |
| 4466785 | Clearance-controlling means comprising abradable layer and abrasive layer | — | 1984-08-21 |
| 4352416 | Cast iron railroad brake shoes | Hugo R. Larson | 1982-10-05 |