Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D293263 | In-tank automatic toilet cleaning device | — | 1987-12-15 |
| D285833 | Adjustable hanger for in-tank toilet cleaning devices | — | 1986-09-23 |
| D284693 | In-tank toilet bowl cleaning device | — | 1986-07-15 |
| D276646 | In-tank toilet bowl cleaning device | — | 1984-12-04 |
| D263283 | Dispensing cap | — | 1982-03-09 |
| 4201289 | Primary package for a space air treating device | Frank Mack | 1980-05-06 |