Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275892 | Multi-layer corrosion resistant coating for fasteners and method of making | Barbara S. Lewis | 1994-01-04 |
| 4975337 | Multi-layer corrosion resistant coating for fasteners and method of making | Steven Gradowski | 1990-12-04 |
| 4837090 | Corrosion resistant coating for fasteners | Steven Gradowski | 1989-06-06 |
| 4773111 | Selectively hardened self drilling fasteners and process for making the same | Steven Gradowski | 1988-09-27 |
| 4746408 | Multi layer corrosion resistant coating | Steven Gradowski | 1988-05-24 |
| 4730970 | Selectively hardened self drilling fasteners | Steven Gradowski | 1988-03-15 |
| 4713855 | Process for making self-drilling fasteners | Steven Gradowski | 1987-12-22 |
| 4692080 | Self drilling fasteners and process for making the same | Steven Gradowski | 1987-09-08 |
| 4329402 | Micro-throwing alloy undercoatings and method for improving corrosion resistance | Stephen Gradowski, Thomas F. Maestrone | 1982-05-11 |
| 4216032 | Oil composition and method for treating phosphated metal surfaces | Jacob M. Hage, Stephen Gradowski | 1980-08-05 |
| 4188459 | Corrosion resistant plating and method utilizing alloys having micro-throwing power | Steven Gradowski, Thomas F. Maestrone | 1980-02-12 |