Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661866 | Mop assembly having a rigid clamp type support for the mop elements | — | 1997-09-02 |
| 5305419 | Hot water tank construction, electrically operated heating element construction therefor and methods of making the same | — | 1994-04-19 |
| 5159659 | Hot water tank construction, electrically operated heating element construction therefor and methods of making the same | — | 1992-10-27 |
| 5109474 | Immersion heating element with conductive polymeric fitting | — | 1992-04-28 |