...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7857622 | Dental articulator A dental articulator includes an articulator frame. The articulator frame has an upper member adapted to hold an upper mounting plate. The upper mounting plate holds an upper dental cast. An elongate lower member of the frame holds a lower mounting plate. The lower ... | 12/28/2010 |
| 7837470 | Movable mandible articulator The present invention relates to an articulator capable of completely and faithfully reproducing movements of a mandibular cast and maxillary cast. The articulator introduces a suspended mandibular member, the mandible being similar to that of in human beings. The m... | 11/23/2010 |
| 7534105 | Occludator, face bow, occlusion-confirming system and temporomandibular joint-reproducing system It is intended to provide an occludator whereby joint movements at occlusion being similar to the actual tempromandibular joint movements of an individual patient or ideal movements can be reproduced, and a face bow to be used for the occludator. To achieve this obj... | 05/19/2009 |
| 7363821 | Systems and methods for fatigue testing stents Systems and methods for fatigue testing one or more stents based on measured electrical resistance levels of each stent. Pairs of lead lines from an ohmmeter are connected to a respective stent. The respective stent is mounted onto an expander having an interior tap... | 04/29/2008 |
| 7338283 | Dental prostheses modeling system with symmetric double-well trays slidably mountable to articulator A dental prostheses modeling system includes a molding tray for molding the base of a quadrant or full-arch dental model cast which has a longitudinally disposed partition panel disposed generally between upper and lower surfaces of the tray that forms therewithin a... | 03/04/2008 |
| 7303393 | Articulator system An articulator system employing magnetic and supporting means enabling dental casts to be mounted in or removed from an articulator and replaced as desired. ... | 12/04/2007 |
| 7273372 | Dental articulator A dental articulator includes a lower jaw member, two pillars each extending vertically upwardly from the lower jaw member. The pillars each carry a ball, which correspond to a human mandibular condyle. The articulator further includes an upper jaw member disposed o... | 09/25/2007 |
| 7210932 | Pin-tray dental prostheses modeling system A dental prostheses modeling system includes a tray having in an upper part thereof a trough for receiving a semi-liquid modeling material or casting material such as plaster of Paris or die stone, the trough having opposed vertical walls in which are formed alterna... | 05/01/2007 |
| 7192278 | Base assembly for fabrication of false teeth A base assembly for fabrication of false teeth includes a base, and a gum-like raised portion is provided on the said base, a plurality of protruding blocks are provided symmetrically and evenly at the interior and exterior arc edges on the raised portion, and posit... | 03/20/2007 |
| 7147465 | Dental modeling and articulating system and method A dental articulating system to duplicate a patient's teeth for producing a dental prosthesis includes a pair of trays pivotally coupled together. A plurality of registration pins is disposable in a plurality of registration pin holes formed in at least one of the t... | 12/12/2006 |
| 7112061 | Dental articulator A dental articulator for connecting first and second dental models generally includes upper and lower arms hinging at their rear ends by a hinge. Each arm front end is connected by a coupling to a dental model. Each coupling generally includes a ball, a coupling, a ... | 09/26/2006 |
| 7101180 | Holding device for a denture or base structure model A holding device that can be braced in a surveying machining together with an individual preparation model produced by dental laboratory techniques. The holding device has a mechanically stable frame with bores disposed at a distance (a) to one another, in which at ... | 09/05/2006 |
| 6948932 | Dental modeling and articulating system A dental articulating device and method to duplicate at least a portion of a patient's mouth for use in producing a dental prosthesis includes a pair of trays pivotally coupled together by an integral hinge. The hinge includes a pivot axle and a shoulder extending a... | 09/27/2005 |
| 6913462 | Pin tray dental prostheses modeling system with re-usable tray A dental prostheses modeling system includes a re-usable tray having in an upper part thereof a trough for receiving a semi-liquid casting material such as plaster of Paris or die stone, the trough having opposed vertical walls in which are formed alternating vertic... | 07/05/2005 |
| 6869281 | Tooth model occlusion testing device A tooth model occlusion testing device comprises an upper jaw and a lower jaw that pivotally connect to each other. Two tooth model bases are respectively received in the upper and lower jaws, and are provided with a plurality of perforations to insert a tooth model... | 03/22/2005 |
| 6558161 | Completely reproducible articulator Disclosed is an articulator for completely reproducing mandibular movement of a living subject by performing adjustment of occlusion by regulating condylar spheres and condyle boxes disposed between maxillar and mandibular frames carrying maxillar and max... | 05/06/2003 |
| 6499999 | Dental articulator A dental model articulator includes two hinge-jointed arms, each arm having segments connected to a hinge joint having mating elements, one integral to each segment of an arm. One element includes two cymbals that are coaxial on a major hinge axis and con... | 12/31/2002 |
| 6450809 | Vertex dental model articulator An improved ball-and-socket joint for use with dental model articulators of a vertex type comprising two brackets hinged together at one end and each connected at the other end by a ball-and-socket joint to a separate one of two stone plates bearing denta... | 09/17/2002 |
| 6402513 | Dental model articulator The articulator of the present invention provides relative manipulation of dental casts for simulation of occlusal and masticatory movements of the mouth. The articulator consists of three parts--a lower frame, an upper frame, and a middle frame. The lowe... | 06/11/2002 |
| 6402512 | Stabilizing device and method for dental model articulator A clamp device and method for restraining a hinge joint of a model articulator to single axis vertical hinging motion is disclosed. The hinge joint comprises outwardly facing convexities restrained between elements that incorporate detents to mate with th... | 06/11/2002 |
| 6394804 | Articulator for dental casts An articulator for positioning a pair of dental casts relative to each other is disclosed which comprises a pair of members adapted to being connected to each other for pivotal movement relative to each other, each member comprising a central portion havi... | 05/28/2002 |
| 6287113 | Full reproduction articulator A full reproduction articulator faithfully and accurately reproduces jaw movement, particularly the chewing movement, including individual differences. It includes a mandibular model member (10), a base (11) erected on this mandibular model member (10), t... | 09/11/2001 |
| 6234794 | Articulator It is an object to provide an articulator with which upper and lower jaw models can easily be manufactured, corrected and adjusted so that precise upper and lower jaw models are manufactured, the structure is simplified and operability is improved. An upp... | 05/22/2001 |
| 6102698 | Orthognathic surgery simulation instrument An oral surgery simulating device for planning an oral surgery for a patient including a stand having a base, a device for receiving a cast of a mandible of the patient movably connected to the base, a device for receiving a cast of a maxilla of the patie... | 08/15/2000 |
| 6082998 | Hand-held dental articulator A hand-held dental articulator, comprising a first frame, a second frame, and a support structure coupled to the first and second frames. The first frame is configured to accept for fixation thereto a first dental model. The second frame is configured to ... | 07/04/2000 |
| 6015291 | Dental articulator A dental articulator is disclosed, with condylar housings located in inteangeable fashion in mounts on the upper member of the dental articulator for accommodating and guiding condyles fixed to the lower member, where horizontal guide elements for the co... | 01/18/2000 |
| 5957688 | Dental model articulator A dental model articulator includes two hinge-jointed arms, each arm having segments connected at a hinge joint having mating elements, one integral to each segment of an arm. One element includes two cymbals that are coaxial on a major hinge axis and con... | 09/28/1999 |
| 5934901 | Vertically stable articulator having dual struts A dental articulator structure for use in registration of a pair of casts of a dental model which are positioned in an opposing and spaced relationship. The articulator structure includes at least one axially rigid support member having opposing ends from... | 08/10/1999 |
| 5846076 | System for casting a dental model A system for casting a dental model has first and second, hollow molds that are mounted on first and second mounting members. The mounting members have distal ends that extend into respective molds and proximal ends extending away from the molds. The mold... | 12/08/1998 |
| 5743733 | Mechanical dental articulator having adjustable claming feature and method of use A dental articulator is claimed which comprises an upper frame, a lower frame, a positioning member for positioning the upper frame, and a clamp for securing the positioning member and fixing the upper frame in position. The upper frame includes a hinge s... | 04/28/1998 |
| 5720612 | Method and apparatus of recording and reproducing the path of insertion of a cast on surveyors A method an apparatus for recording and reproducing the path of insertion of a cast on a dental surveyor uses an iterative method to enable rapid equalization of the height of three points on the cast by first rotating the table on which the cast is situa... | 02/24/1998 |
| 5695333 | Dental articulator apparatus Dental articulator apparatus includes an articulator base, a post extending upwardly from the articulator base, and an upper articulator member movably mounted on the post. The apparatus incorporates upper and lower dental cast or mold supports which allo... | 12/09/1997 |
| 5660544 | Method and apparatus of recording and reproducing the path of insertion of a cast on surveyors The present disclosure relates to a method and an apparatus for recording and reproducing the path of insertion of a cast on surveyors. In the method, the accuracy and speed of recording the path of insertion is easily effected with the help of a scoring ... | 08/26/1997 |
| 5645425 | Disposable dental articulator A dental model and articulator system comprises upper and lower dental casts that each receive a corresponding anchor in their respective vertical posterior faces. A generally rectangular articulator main body has a transverse horizontal hinge attachment ... | 07/08/1997 |
| 5632619 | Jaw articulator and face bow with bite-fork column A face bow for receiving and transferring a model jaw to a jaw articulator in the correct spacial orientation relative to a patient's skull and jaw hinge axis. The face bow has a curved transfer member for surrounding a patient's face and a guide column r... | 05/27/1997 |
| 5586884 | Dental articulator A dental articulator which is basic in construction and practical for use by dentists as a routine procedure in their general practices. The articulator includes a base platform for stabilizing the articulator in first and second positions on a work surfa... | 12/24/1996 |
| 5494440 | Dental articulator A dental articulator includes an upper frame member and a lower frame member modeled substantially after a maxilla and mandible of a human jaw, respectively. The upper frame member includes a mounting area for attachment of an upper or maxillary dental ca... | 02/27/1996 |
| 5482460 | Dental model articulator The specification discloses an articulator and associated method for assembling upper and lower dental models corresponding to the upper and lower sets of a patient's teeth in a desired occlusal relationship for simulation of occlusal and masticatory move... | 01/09/1996 |
| 5466152 | Method for creating a dental model A dental articulation apparatus for creating a pinned model of a patient's mandibular and maxillary dental arches. The apparatus permits the simultaneous relation and construction of pinned, segmental models of the maxillary and mandibular dental arches a... | 11/14/1995 |
| 5425636 | Articulator for dental mold An articulator for a dental model including a first link means having first and second ends; a second link means having first and second ends; a hinge connecting the first ends of the first and second links; and a pair of couplings; one connected to the s... | 06/20/1995 |