Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056874 | Piercing filter oil containment boot | — | 2000-05-02 |
| 6036446 | Fluid transfer with concurrent system movement for liquid and vacuum | — | 2000-03-14 |
| 5772402 | Pre-charged vacuum fluid change/disposal apparatus | — | 1998-06-30 |
| 5405247 | Pre-charged vacuum fluid charge/disposal apparatus | — | 1995-04-11 |
| 5090753 | Automatic locking mechanism for dumpster lid | — | 1992-02-25 |
| 5042856 | Automatic locking mechanism for dumpster lid | — | 1991-08-27 |