Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5007588 | Aspiration-type sprayer | Ho Chow | 1991-04-16 | |
| 4826085 | Aspiration-type sprayer with improved safety feature | Ho Chow | 1989-05-02 | |
| 4750674 | Aspiration-type sprayer | Ho Chow | 1988-06-14 | $1,288,000 |