Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156600 | Gum massaging oral brush | Michael F. Roberts, Thomas Craig Masterman, Edward Park, Scott Batson, Philip Sweeney +1 more | 2012-04-17 |
| 7338664 | Color changing matrix as wear indicator | Carl M. Philbrook | 2008-03-04 |
| 7069658 | Shaving system | — | 2006-07-04 |
| 6944952 | Shaving system | — | 2005-09-20 |
| 6594904 | Shaving system | — | 2003-07-22 |
| 6497458 | Bristle for a toothbrush | Scott Batson, Georges Driesen, Ahmet Firatli, Rainer Hans, Norbert Schaefer +2 more | 2002-12-24 |
| 6442839 | Shaving system | Michael J. Kwiecien | 2002-09-03 |
| 6327736 | Bristle for a toothbrush | Norbert Schaefer, Armin Schwarz-Hartmann, Helge Zimmet, Scott Batson, Georges Driesen +2 more | 2001-12-11 |
| 6298558 | Skin engaging member | Yuling Yin, Frank E. Badin, Thilivali T. Ndou, Brian A. Rogers, Lee K. Lim | 2001-10-09 |
| D447283 | Shaving aid strip for a razor cartridge | Michael J. Kwiecien | 2001-08-28 |
| 6185822 | Shaving system | Michael J. Kwiecien | 2001-02-13 |
| 6182365 | Skin engaging member for razor blade assembly | Philip Sweeney, Alfred Porcaro, Domenic Vincent Apprille, Jr. | 2001-02-06 |
| 6151745 | Gum-massaging oral brush | Michael F. Roberts, T. Craig Masterman, Edward Park, Philip Sweeney, Stephen Charles Witkus | 2000-11-28 |
| D424745 | Shaving aid strip for razor cartridge | Stephen C. Metcalf | 2000-05-09 |
| D422380 | Shaving aid strip for razor cartridge | Stephen C. Metcalf | 2000-04-04 |
| 6029678 | """Gel"" dental floss" | Belinda L. Tsao, Edward Park, Paul D. Zwick, Pranav Desai, Casper W. Chiang | 2000-02-29 |
| 6027592 | Dental floss | Thomas Craig Masterman, Edward Park, Michael F. Roberts, Jean L. Spencer | 2000-02-22 |
| 6017477 | Extrusion apparatus and process | Gary Lu, Ganesh V. Rao | 2000-01-25 |
| 5998431 | Sustained-release matrices for dental application | Carl M. Philbrook | 1999-12-07 |
| 5987688 | Gum-massaging oral brush | Michael F. Roberts, T. Craig Masterman, Edward Park, Philip Sweeney, Stephen Charles Witkus | 1999-11-23 |
| 5956848 | Shaving system | Michael J. Kwiecien | 1999-09-28 |
| 5926901 | Foam grip | Nan J. Lin, Michael J. Kwiecien | 1999-07-27 |
| 5915791 | Shaving system with improved guard structure | Yuling Yin, Alfred Porcaro, Philip Sweeney | 1999-06-29 |
| 5906834 | Color changing matrix as wear indicator | — | 1999-05-25 |
| 5904152 | Dental floss | Thomas Craig Masterman, Edward Park, Michael F. Roberts, Jean L. Spencer | 1999-05-18 |