Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8043091 | Computer machined dental tooth system and method A method and system for making a dental prosthetic includes, for example, arranging a first virtual tooth image relative to a second virtual tooth image on a virtual denture set and locating a first actual prosthetic tooth relative to a second actual prosthetic toot... | 10/25/2011 |
| 8002549 | Set of artificial teeth with no abutment at highest contours The present invention is to provide a set of easily arranged artificial teeth in which shapes of abutment surfaces of adjacent artificial teeth are not varied. In the set of artificial teeth, at least two artificial teeth adjacent to each other in a mesial-distal di... | 08/23/2011 |
| 7361697 | Prosthesis material Prosthesis material having improved stability during storage, reduced plaque affinity and improved polishing properties. ... | 04/22/2008 |
| 6755652 | Method for producing dental restoration elements A method for preparing dental restoration which is to be secured in the mouth of a dental patient includes providing a base plate with ready made x-ray opaque restorative teeth thereon, the base plate being formed in correspondence with the mouth of the patient in w... | 06/29/2004 |
| 6422864 | Facial registration tool A facial registration tool for use in the fabrication of dental prostheses includes two or more interconnected artificial teeth and a retention means extending posteriorly from the lingual surface of the teeth for attaching the tool to a wax bite rim. In ... | 07/23/2002 |
| 6139321 | Device for dispensing artificial teeth A device for dispensing artificial teeth comprises a tooth support ribbon (2) which is made from a flexible material and is shaped to form an arch which substantially corresponds in shape to an upper or lower natural dental arch. A set (10) of artificial ... | 10/31/2000 |
| 6062860 | Artificial posterior teeth Artificial posterior cuspless teeth possess slightly convex functional occlusal surfaces in both mesiodistal and buccolingual directions on upper posterior teeth and slightly concave functional occlusal surfaces on lower posterior teeth, with both upper a... | 05/16/2000 |
| 6033221 | Denture producing device A working model for a lower jaw is disposed on the bottom of an articulator, a pair of support rods are disposed on both sides of the articulator so as to extend upward from the bottom of the articulator, a pair of joint portions are provided on top of th... | 03/07/2000 |
| 5951291 | Cosmetic accessory device for teeth A cosmetic accessory device for teeth that simulates the appearance of an assemblage of teeth and gum. The device includes a gum portion and a tooth portion shaped and dimensioned to cover the user's upper or lower front teeth. The device is made of a non... | 09/14/1999 |
| 5326262 | Method of making cuspless artificial dentition Artificial posterior cuspless teeth possess slightly convex functional occlusal surfaces in both mesiodistal and buccolingual directions on upper posterior teeth and slightly concave functional occlusal surfaces on lower posterior teeth, with both upper a... | 07/05/1994 |
| 5049075 | Dentures, as well as temporary dentures, and process for their fabrication For the fabrication of dentures for the upper jaw and/or the lower jaw, a first impression is initially made of the upper jaw and a first impression is made of the lower jaw, a model is prepared for each, and the two are fitted together on an articulator.... | 09/17/1991 |
| 4906186 | Template for setting artificial teeth in a denture A template for setting artificial teeth comprises a pair of arched ridge formers pivoted at their front ends to a base so that the overall arch may be made wider or narrower to coincide with the curve of a model of the patient's opposing jaw. Shallow rece... | 03/06/1990 |
| 4681543 | Rapid denture technique A technique by which a denture formed from light-curable plastic material, and including individually positioned artificial teeth, is produced by the use of a custom, substantially U-shaped, matrix formed from an elongated shape of light-curable plastic m... | 07/21/1987 |
| 4650417 | Denture forming device Dentures or denture elements made up of individual artificial teeth are formed using a structure that is adapted to receive at least the occlusal surface segments of anatomically adjacent artificial teeth of either the maxillary or mandibular arch and to ... | 03/17/1987 |
| 4337042 | Dental arrangement and process for manufacturing dentures An arrangement of artificial teeth, preferably made of methacrylate, in which the teeth are mounted at the roots end in the natural sequence on a flexible plastic strip made of acrylate plastic in such manner that movement of the teeth in relation to each... | 06/29/1982 |
