Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022192 | Automatic cleaning system for a ceiling fan blade | Martin Hupfl | 2000-02-08 |
| 5393946 | Wall switch plate adaptor | — | 1995-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022192 | Automatic cleaning system for a ceiling fan blade | Martin Hupfl | 2000-02-08 |
| 5393946 | Wall switch plate adaptor | — | 1995-02-28 |