Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368656 | Steel spring and method for producing same | William E. Heitmann, Thomas G. Oakwood | 1994-11-29 |
| 5282906 | Steel bar and method for producing same | William E. Heitmann, Thomas G. Oakwood | 1994-02-01 |
| 4772341 | Low loss electrical steel strip | Grigory Lyudkovsky | 1988-09-20 |
| 4601766 | Low loss electrical steel strip and method for producing same | Grigory Lyudkovsky | 1986-07-22 |
| 4545827 | Low silicon steel electrical lamination strip | — | 1985-10-08 |
| 4394192 | Method for producing low silicon steel electrical lamination strip | — | 1983-07-19 |