Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863302 | Spray-brush | Ronald Herzfeld, Karl Wydra, Herbert Grebe, Fritz Dickel, Ronald Dickel | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863302 | Spray-brush | Ronald Herzfeld, Karl Wydra, Herbert Grebe, Fritz Dickel, Ronald Dickel | 1989-09-05 |