Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772782 | Cable routing in wastewater lift station | Timothy D. Bogan, Mark Sheldon, Sarah B. Bogan | 2004-08-10 |
| 6644342 | Modular integrated wastewater lift station construction kit | Timothy D. Bogan, Mark Sheldon, Sarah B. Bogan | 2003-11-11 |
| 5983415 | Toilet riser | — | 1999-11-16 |
| 4738663 | Hypodermic needle shield | — | 1988-04-19 |
| 4231482 | Underground storage vault | — | 1980-11-04 |
| D257386 | Toilet riser | — | 1980-10-14 |
| 4187561 | Toilet riser | — | 1980-02-12 |