U.S. patent number D287,877 [Application Number 06/632,971] was granted by the patent office on 1987-01-20 for dental syringe. This patent grant is currently assigned to Johnson & Johnson Dental Products Company. Invention is credited to William J. Blatherwick, Robert D. Holewinski, Edward A. Weissenburger.
United States Patent | D287,877 |
Holewinski , et al. | January 20, 1987 |
Inventors: | Holewinski; Robert D. (Lakehurst, NJ), Weissenburger; Edward A. (Mercerville, NJ), Blatherwick; William J. (Hamilton Square, NJ) |
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Assignee: | Johnson & Johnson Dental
Products Company (East Windsor, NJ) |
Appl. No.: | 06/632,971 |
Filed: | July 20, 1984 |
Current U.S. Class: | D24/114 |
Field of Search: | ;D24/4-5,10-16,23-26,29,45,55,59,60,63 ;433/36,37 ;604/93,121,181,187,188,211,218,224 |
1181561 | May 1916 | Ballard |
3253592 | May 1966 | Von Pechmann |
3738006 | June 1973 | Lopez et al. |
4312343 | January 1982 | LeVeen et al. |
4341211 | July 1982 | Kline |
4583974 | April 1986 | Kokernak |
S S. White Dental Mfg. Co. Catalogue, Oct. 1952, p. 106, No. 39, Water Syringes.. |
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