| Number | Name | Date | Kind |
|---|---|---|---|
| D49472 | Dierke | Aug 1916 | |
| D122500 | Norton | Sep 1940 | |
| D288148 | Malgrain | Feb 1987 | |
| D305385 | Schneider | Jan 1990 | |
| D305386 | Rams et al. | Jan 1990 | |
| D328392 | Holstein, II et al. | Aug 1992 | |
| 1337173 | White | Apr 1920 | |
| 1440785 | Levis | Jan 1923 | |
| 1927365 | Frolio | Sep 1933 | |
| 2217439 | Fuller | Oct 1940 | |
| 3722020 | Hills | Mar 1973 | |
| 4712267 | Cheng | Dec 1987 | |
| 4800608 | Key | Jan 1989 | |
| 5046212 | O'Conke | Sep 1991 |
| Number | Date | Country |
|---|---|---|
| 17666 | Jan 1896 | GBX |
| Entry |
|---|
| Sample of "ORTHO" brush, manufactured and sold by Oral-B Laboratories, Inc. Redwood City, Calif. (1989). |