Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696507 | Dental composite restorative material and method of restoring a tooth | Steven R. Jefferies, Donald Kapperman, Paul D. Hammesfahr, Paul A. Silver | 2004-02-24 |
| 6527996 | Process of making a tubular dental hygiene device | Michael T. Schiraldi, Ralph A. Korpman, Bruce C. Johnson, Atiye Tanverdi, Ivor Lewis | 2003-03-04 |
| 6353040 | Dental composite restorative material and method of restoring a tooth | Steven R. Jefferies, Donald Kapperman, Paul D. Hammesfahr, Paul A. Silver | 2002-03-05 |
| 6262142 | Translucent wear resistant dental enamel material and method | Xiuling Wang, Steven R. Jefferies, Paul D. Hammesfahr, Paul A. Silver | 2001-07-17 |
| 6251410 | Flattened tubular monofilament dental floss | Michael T. Schiraldi, Ralph A. Korpman, Bruce C. Johnson, Atiye Tanverdi, Ivor Lewis | 2001-06-26 |