Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854914 | Flow-through brush liquid applicator and method of making it | Richard J. Keating, Harley H. Mattheis | 2005-02-15 |
| 5915746 | Swab and method of manufacturing and using it | Debra A. Speichert | 1999-06-29 |
| 5716104 | Flow-through brush liquid applicator and method of making it | Richard J. Keating, Harley H. Mattheis | 1998-02-10 |
| 5358480 | Method of using a swab | Debra A. Speichert | 1994-10-25 |
| 5307569 | Foot support | — | 1994-05-03 |
| 5294207 | Flow-through brush liquid applicator | Richard J. Keating, Harley H. Mattheis | 1994-03-15 |
| 5212847 | Swab and method of manufacturing and using it | Debra A. Speichert | 1993-05-25 |
| 5074059 | Foot support | — | 1991-12-24 |