Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7270540 | Adjustable dental impression tray and methods for using same An adjustable dental impression tray including a first arcuate member and a second arcuate member configured to selectively engage the first arcuate member. The first and second arcuate members forming a channel adapted to receive a quantity of impression material. ... | 09/18/2007 |
| 7220123 | Device for registration of the dental bite An improved device for registration of dental bite provides a possibility to make accurate impression of the patient's dental bite and includes the first portion and second portion. The first portion comprises a first mouth portion and a first handle portion, and th... | 05/22/2007 |
| 7137814 | Dental treatment tray comprising a plasticized resin for improved moldability and conformability A dental treatment tray used to provide a desired treatment is injection molded from a composition that includes at least one thermoplastic resin and at least plasticizer. The plasticized thermoplastic resin permits the dental treatment tray to be injection molded e... | 11/21/2006 |
| 7137813 | Dental impression dam system A dental impression dam system utilizing an open tray forming a basin for dental impression material. The basin of the tray includes a gap at an extremity of the same. A flexible band of material bridges the gap of the tray basin and interacts with the dental materi... | 11/21/2006 |
| 7125251 | Adjustable impression tray with variable geometry The invention relates to an adjustable impression tray (1) comprising a trough (2) in the form of an arch with a straight central portion (7) extended by two lateral branches (8,9), essentially matching the form of a dental arch and compr... | 10/24/2006 |
| 7108506 | One wall boil and bite dental tray A dental tray having a planar portion and a single wall, useful for dental treatments including bleaching, fluoride applications, desensitizing teeth, antibacterial treatments and other dental operations. At least one groove or bead, either continuous or segmented, ... | 09/19/2006 |
| 6964568 | Dental apparatus for recording the interdental relationship of anterior teeth Dental apparatus for recording the interdental relationship of anterior teeth has an open frame and a handle. A bite tray (9) is secured within the frame so that impression material applied to the bite tray can be readily manipulated between a patient's anter... | 11/15/2005 |
| 6929473 | Ready-made customized impression tray for fabricating and fitting dentures The present invention relates to a ready-made customized impression tray for fabricating and fitting dentures more specifically, a method and apparatus for producing denture using the tray and changing the structure of the tray required for producing the denture to ... | 08/16/2005 |
| 6902398 | Bite tray with removable insert Dental apparatus for recording the interdental relationship of posterior teeth has spaced apart longitudinal supports (1, 2) between which longitudinal side members (7, 8) of a bite tray (5) are releasably engaged. The bite tray has supporting m... | 06/07/2005 |
| 6527549 | Two-part dental impression tray A dental impression tray having two identical one half parts in which each part can be used for making a partial dental impression and wherein the two one half parts can be removably combined for a full mouth impression of a patient.... | 03/04/2003 |
| 6468078 | Impression tray device with removable segments for dental implant transfers An impression tray for taking impressions of transfers of dental implants comprises, in its closed face, a succession of removable segments secured by screws or by studs. After the impression material has set, the segment(s) giving access to the screw of ... | 10/22/2002 |
| 6450808 | Dental impression tray A dental impression tray having a pair of spaced and outwardly flared sidewalls with a layer of material, such as gauze, netting, plastic or the like, or a rigid material, extending perpendicularly between the sidewalls. The sidewalls, furthermore, are di... | 09/17/2002 |
| 6447292 | Dental impression tray and bite registration rim assembly A dental impression tray and bite registration rim assembly comprises an impression tray, a handle and a bite registration rim. The handle and the bite registration rim are both detachably attachable to the impression tray. The connection elements between... | 09/10/2002 |
| 6428315 | Dental impression tray An improved dental impression tray, to be placed under an upper jaw or over a lower jaw, combining the following features: 1. Creases or lines of perforations running through the base and side walls of the tray and the middle of the tray's handle, so that... | 08/06/2002 |
| 6318997 | System for forming dental impressions A block member is selectively positioned on a dental impression tray with an outer engagement surface of the block member in engagement with the tray portion defining a lingual recess to block entry of plaster or other casting material into the lingual re... | 11/20/2001 |
| 6302690 | Dental impression tray A dental impression tray comprises a mold shell made of synthetic material and having an inner space for receiving the impression material, and a support shell made of metal and surrounding the exterior of the mold shell in order to provide the overall im... | 10/16/2001 |
| 6227852 | Dental impression curette The invention concerns a dental mold tray for producing tooth casts by means of a hardenable mold mass, with a molding shell (10) adapted to the shape of the human upper or lower jaw, for the reception of the mold mass, so that the molding shell (10) can ... | 05/08/2001 |
| 5340308 | Adjustable dental tray An apparatus and method for making either upper or lower dental impression of teeth for a mammalian patient by utilizing an impression tray having upstanding walls that are laterally and longitudinally adjustable. Those walls conform to the mouth of the p... | 08/23/1994 |
| 4778386 | Ring for the construction of dental crowns and method of restoration Ring for the construction of temporary or permanent dental crowns. The ring is constituted by two molded half-shells (1, 2) which carry coupling elements (3, 4; 5, 6) rigidly fastened together in pairs by bonding, welding or any other method of rigid attachmen... | 10/18/1988 |
| 4449927 | Dental bite relator A dental instrument for simultaneously taking an impression and a bite has a pair of parallel elongated bite tray holders which are laterally spaced apart and are connected together at one of their adjoining ends by a connector wire loop. A manipulating h... | 05/22/1984 |
| 4368040 | Dental impression tray for forming a dental prosthesis in situ A dental impression tray for forming a negative impression of a dental area to be restored. Application devices on the tray permit injection of dental restorative material into a mold cavity defined between the negative impression formed in the tray and t... | 01/11/1983 |
| 3987548 | Bite registration tray and combination thereof with bib A bite tray for taking a bite registration impression of the posterior teeth of a full set of teeth includes a bib and frame so shaped and arranged that, in the absence of some occluding posterior teeth, beginning with the rearmost occluding teeth and con... | 10/26/1976 |
| 3978585 | Impression trays The impression trays of this invention include an upper impression tray having a body which is a convoluted member having an oral plate which follows the general contours of the roof of the mouth and which provides a lingual portion adjacent the upper tee... | 09/07/1976 |
