Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724000 | Powdered metal valve seat insert | Jay M. Larson, Sundaram L. Narasimhan, David L. Bonesteel | 1988-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724000 | Powdered metal valve seat insert | Jay M. Larson, Sundaram L. Narasimhan, David L. Bonesteel | 1988-02-09 |