Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561475 | Non-circular endodontic instruments | — | 2020-02-18 |
| 6042376 | Non-circular endodontic instruments | Brett I. Cohen | 2000-03-28 |
| 5803732 | Slotted tap and lentulo drill for dental post system | Allan S. Deutsch, Brett I. Cohen | 1998-09-08 |
| 5669772 | Slotted tap and lentulo drill for dental post system | Allan S. Deutsch, Brett I. Cohen | 1997-09-23 |
| 5632620 | Slotted tap and lentulo drill for dental post system | Allan S. Deutsch, Brett I. Cohen | 1997-05-27 |
| D377218 | Endo-block | Brett I. Cohen | 1997-01-07 |
| 5417750 | Dental or medical alginate impression material | Brett I. Cohen | 1995-05-23 |
| 5413480 | Overdenture attachment system | Allan S. Deutsch, Brett I. Cohen | 1995-05-09 |
| 5275563 | Dental post extracting drill | Brett I. Cohen, Allan S. Deutsch | 1994-01-04 |
| 5263861 | Root canal filling material and adhesive composition | Brett I. Cohen | 1993-11-23 |
| 5236362 | Root canal filling material and adhesive composition | Brett I. Cohen | 1993-08-17 |
| 5185386 | Dental composition | Brett I. Cohen | 1993-02-09 |
| 5114343 | Resilient support structure | Allan S. Deutsch | 1992-05-19 |
| 4824371 | Retention device for dentures and the like | Allan S. Deutsch | 1989-04-25 |
| RE31948 | Dental post and wrench therefor and method of restoring bulk to a tooth root therewith | Allan S. Deutsch | 1985-07-16 |
| 4490116 | Dental post and wrench therefor and method of restoring bulk to a tooth root therewith | Allan S. Deutsch | 1984-12-25 |
| 4480997 | Dental post and wrench therefor and method of restoring bulk to a tooth root therewith | Allan S. Deutsch | 1984-11-06 |