Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332234 | Dust mop with replaceable electrostatically charged dust collector | Barbara Graham, Robert L. Graham | 2001-12-25 |
| 6243909 | Dust mop with replaceable electrostatically | Barbara Graham, Robert L. Graham | 2001-06-12 |
| 6159325 | Electrostatic webs for sewing patterns | Barbara Graham, Robert L. Graham | 2000-12-12 |
| 6106760 | Electrostatic interfacing, underlining, and applique | Barbara Graham, Robert L. Graham | 2000-08-22 |
| 5665448 | Electrostatic display device | Barbara Graham, Robert L. Graham | 1997-09-09 |