Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360395 | Electric toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk, Douglas A. Gall | 2002-03-26 |
| 6311837 | Packaging arrangement having recesses for preventing a switch from being placed in a continuously-on position | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk | 2001-11-06 |
| 6189693 | Electric toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk | 2001-02-20 |
| 6178579 | Electric toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk, Douglas A. Gall | 2001-01-30 |
| D433814 | Toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk | 2000-11-21 |
| D432312 | Bristle head for a toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk | 2000-10-24 |
| 6000083 | Electric toothbrush | Lawrence A. Blaustein, John R. Nottingham, John W. Spirk | 1999-12-14 |
| 5224703 | Ball propelling and catching racquet | — | 1993-07-06 |
| 5026054 | Toy | Allison W. Katzman, Mark Luecke, John R. Wildman | 1991-06-25 |
| 4944363 | Toy ball | Allison W. Katzman, Mark Luecke, John R. Wildman | 1990-07-31 |
| 4926296 | Illuminated carrying bag | Linda A. Blume, Kathy Henn | 1990-05-15 |
| 4651367 | Collapsible baby crib | Thomas Rattray | 1987-03-24 |
| 4645183 | Adjustable enclosure | Thomas Rattray | 1987-02-24 |
| 4412478 | Air distribution method and apparatus for effecting the same | Tom Rattray | 1983-11-01 |