Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668475 | Cleaning and disinfecting method and article of manufacture including color display | — | 1987-05-26 |
| 4605534 | Cleaning and disinfecting systems including color display means | — | 1986-08-12 |
| 4587069 | Process for producing color display means | — | 1986-05-06 |
| 4539179 | Method for cleansing and disinfecting toilet tanks and bowls | — | 1985-09-03 |
| 4435857 | Apparatus for cleansing and disinfecting toilet tanks and bowls | — | 1984-03-13 |