Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700303 | Chrome polish/exhaust pipe de-bluer | Richard A. Zander | 1997-12-23 |
| 5697993 | Hard water stain remover for glass | Richard A. Zander | 1997-12-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700303 | Chrome polish/exhaust pipe de-bluer | Richard A. Zander | 1997-12-23 |
| 5697993 | Hard water stain remover for glass | Richard A. Zander | 1997-12-16 |