Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884641 | Device for a washing apparatus which informs whether the contents are cleaned or soiled | — | 1999-03-23 |
| 5477872 | Information device for a washing apparatus which informs whether the contents are cleaned or soiled | — | 1995-12-26 |
| 5229753 | Warning device for a washing apparatus which advises whether its contents are clean or soiled | Richard P. Berg | 1993-07-20 |
| RE32391 | Warning indicator for a camera | — | 1987-04-07 |
| 4340291 | Warning indicator for a camera | — | 1982-07-20 |