Number | Name | Date | Kind |
---|---|---|---|
674419 | Kinsman | May 1901 | |
1463963 | Miller | Aug 1923 | |
1469992 | Card | Oct 1923 | |
3813779 | Tosti | Jun 1974 | |
4480996 | Crovatto | Nov 1984 | |
4746292 | Johnson | May 1988 | |
4894011 | Johnson | Jan 1990 |
Entry |
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Thermafil, "The Perfect Apical Seal", (1 page brochure). |
Thermafil, "Commonly Asked Questions about Thermafil", (1 pg. brochure). |
Thermafil, "Directions for Use of Thermafil", (1 page brochure). |