Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979004 | Wringer mops with pivoting mop heads | — | 1999-11-09 |
| 5528791 | Wringer floor mop with pivoting head | — | 1996-06-25 |
| 4744999 | High throughput, high uniformity field emission devices | Shangar S. Nandra | 1988-05-17 |
| 4699020 | Handle adapter | Eugenia Bush, Mark Woyak | 1987-10-13 |
| D287539 | Foam sponge broom head | William A. Patton | 1986-12-30 |
| 4583285 | Method of making self-supporting electrode for sea-water batteries | Bivabasu Chatterjee | 1986-04-22 |
| 4491998 | Scrubber mop | William A. Patton | 1985-01-08 |