Number | Name | Date | Kind |
---|---|---|---|
D157514 | Perwas | Feb 1950 | |
D242883 | DeMarco | Jan 1977 | |
D262236 | Tarrson et al. | Dec 1981 | |
D262315 | Tarrson et al. | Dec 1981 | |
D270669 | Cassai et al. | Sep 1983 | |
759490 | Yates | May 1904 | |
1465522 | Lundy | Aug 1923 | |
1806520 | Cave | May 1931 | |
1894413 | Nenning et al. | Jan 1933 | |
1996205 | Jackson | Apr 1935 | |
2164219 | McGerry | Jun 1939 | |
2167129 | Sleeper | Jul 1939 | |
2206542 | Arnold | Jul 1940 | |
2319841 | Bate | May 1943 | |
3204275 | Baker | Sep 1965 | |
3559226 | Burns | Feb 1971 | |
3720975 | Nelson | Mar 1973 | |
3939520 | Axelsson | Feb 1976 | |
3964122 | Kurdy | Jun 1976 | |
4030199 | Russell | Jun 1977 | |
4222143 | Tarrson et al. | Sep 1980 | |
4319377 | Tarrson et al. | Mar 1982 | |
4387479 | Kigyos | Jun 1983 | |
4395943 | Brandli | Aug 1983 | |
4520526 | Peters | Jun 1985 | |
4535761 | Rabinowitz | Aug 1985 |
Number | Date | Country |
---|---|---|
519804 | Mar 1931 | DE2 |
679174 | Jul 1939 | DE2 |
671738 | Sep 1929 | FRX |
Entry |
---|
A photograph of three brushes by Sanyo-Hapics. |
Perio Pic, from Japan Perio Center (date unknown). |
Page 40 Oral Health, Jan. 1979. |
Picture of unknown Japanese brush (marked Exhibit AS1) of unknown date. |
Denticator brushes (date unknown). |
Photocopy of three specimens (marked Exhibit AT2) of unknown date. |
"D-Plak-R" Toothpick Holder, Dental Products Report, 5/74. |