Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153908 | Peroxide cured fluorocarbon elastomer compositions | — | 2006-12-26 |
| 7151134 | Dynamic vulcanization of polyurethane elastomeric material in the presence of thermoplastics | Francis Joseph Walker | 2006-12-19 |
| 7135122 | Polytetrafluoroethylene composites | — | 2006-11-14 |
| 7135527 | Elastomeric compositions containing fluoropolymer blends | — | 2006-11-14 |
| 7022769 | Dynamic vulcanization of fluorocarbon elastomers | — | 2006-04-04 |
| 6368000 | Writing instrument and method of making same | Philip Sweeney, William R. Brown, Jean L. Spencer, John M. Fritz | 2002-04-09 |
| 6151745 | Gum-massaging oral brush | Michael F. Roberts, T. Craig Masterman, Philip Sweeney, Mingchih M. Tseng, Stephen Charles Witkus | 2000-11-28 |
| 6039054 | Dental floss | Philip Sweeney | 2000-03-21 |
| 6029678 | """Gel"" dental floss" | Belinda L. Tsao, Paul D. Zwick, Pranav Desai, Mingchih M. Tseng, Casper W. Chiang | 2000-02-29 |
| 6027592 | Dental floss | Mingchih M. Tseng, Thomas Craig Masterman, Michael F. Roberts, Jean L. Spencer | 2000-02-22 |
| 5987688 | Gum-massaging oral brush | Michael F. Roberts, T. Craig Masterman, Philip Sweeney, Mingchih M. Tseng, Stephen Charles Witkus | 1999-11-23 |
| 5904152 | Dental floss | Mingchih M. Tseng, Thomas Craig Masterman, Michael F. Roberts, Jean L. Spencer | 1999-05-18 |
| 5875797 | Dental floss | Casper W. Chiang, Brad Castillo, Mingchih M. Tseng | 1999-03-02 |
| 5845652 | Dental floss | Mingchih M. Tseng, Thomas Craig Masterman, Michael F. Roberts, Jean L. Spencer | 1998-12-08 |