Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015648 | System for removably joining a driven member to a driven member with workpiece | — | 2011-09-13 |
| 7993067 | Structural arrangement for a fluid-dispensing power toothbrush | Paul Gruber, Craig Black, Friedrich Stoeffler | 2011-08-09 |
| 7979938 | Changing amplitude of movement by changing the drive frequency of a toothbrush brushhead | Ronald C. Lilley, John W. Pace, William E. Bryant, Joseph W. Grez | 2011-07-19 |