Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206240 | Liquid chemical dispensing system with pressurization | Kevin T. O'Dougherty | 2001-03-27 |
| 6015068 | Liquid chemical dispensing system with a key code ring for connecting the proper chemical to the proper attachment | Mirsaeed Rouzegar | 2000-01-18 |
| 5957328 | Liquid chemical dispensing and recirculating system | — | 1999-09-28 |
| 5875921 | Liquid chemical dispensing system with sensor | Steven D. Goyette | 1999-03-02 |
| 5526956 | Liquid chemical dispensing and recirculating system | — | 1996-06-18 |
| 5435460 | Method of handling liquid chemicals | — | 1995-07-25 |
| 5335821 | Liquid chemical container and dispensing system | — | 1994-08-09 |
| D331825 | Container | Joshua P. Waldman | 1992-12-15 |
| 5102010 | Container and dispensing system for liquid chemicals | Joshua P. Waldman | 1992-04-07 |
| 5031801 | Two part clip | Joshua P. Waldman | 1991-07-16 |
| 4929293 | Welding fluoropolymer pipe and fittings | — | 1990-05-29 |