...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7491059 | Dental connecting apparatus A connecting apparatus for connecting an item, especially a dental prosthetic device, with an anchor tooth or a crown in the mouth of a dental patient. The connecting apparatus includes a first interconnecting element (14, 16) for connecting the dental prosth... | 02/17/2009 |
| 7338286 | Dental implant system An implant comprising two internal anti-rotational features. One anti-rotational feature is adapted to engage a driving tool, while the other anti-rotational feature is adapted to engage an abutment. An implant abutment system is provided with an angled abutment ada... | 03/04/2008 |
| 7179089 | Abutment system and method for preparing the same An abutment system for a dental implant includes an abutment having a base portion that is engageable with a dental implant and a shoulder disposed about the base portion that includes a hybrid ceramic material. The hybrid ceramic material includes at least 85% porc... | 02/20/2007 |
| 6986661 | Pin-retained inlay bridge and process of making and fitting such The object of this invention is to provide a pin-retained inlay bridge and process of making and fitting such a bridge to a patient. This inlay bridge (100) is firmly fixed to the abutment teeth (200) using a plurality of tapered pins (p) driven into t... | 01/17/2006 |
| 6981871 | Dental attachment assembly and method A dental attachment assembly has an abutment member for attachment to a tooth root, implant, adjacent tooth, or bar, and a retention member for hinged engagement in a cap secured in a dental appliance. A skirt projects from one end of the cap for releasable snap eng... | 01/03/2006 |
| 6916178 | Dental splint and splinting method An apparatus and method are described for splinting teeth, the apparatus comprising a splint formed from a flat and relatively think rigid sheet, with two support prongs extending in opposite directions from each other and connected by an arch portion. The method is... | 07/12/2005 |
| 6821122 | Joining element for fastening detachable tooth prostheses to tooth crowns or to tooth implants A connection element for attachment of the movable dentures at tooth crowns or at tooth implants with a locking bolt (R) shiftable supported perpendicular to the pullout direction of the denture, wherein the locking bar (R) with its parts effective for the locking i... | 11/23/2004 |
| 6506052 | Conversion system for non-implant anchored dentures A system of retrofitting non-dental implant secured dentures with dental implant technology in order to save time and expenses to the denture wearer and to provide a marketing capability that uses the benefits of retrofitted dentures as communicated to de... | 01/14/2003 |
| 6398553 | T-plate for releasably fixing dentures The invention concerns a t-plate for detachable fixing of false teeth components to one another or to the remaining teeth, with a female part that displays a recess, a male part (6) that displays an attachment section (8) that can be brought to engage the... | 06/04/2002 |
| 6394810 | Dental prosthesis Disclosed is a dental prosthesis. The dental prosthesis comprises an artificial tooth replacing a decayed tooth, the artificial tooth being made of a suitable material such as metal or ceramic and being arranged between two adjoining teeth which are respe... | 05/28/2002 |
| 6371762 | Ceramic tooth restorations and method for manufacturing ceramic tooth restorations A ceramic tooth restoration has two neighboring ceramic tooth replacement elements each having a recess. A connecting member is placed into the recesses. A glass paste is provided for anchoring the connecting member in the recesses by sintering at a tempe... | 04/16/2002 |
| 6299449 | Immediate, laminated, light-cured direct multi-composite bridge A permanent dental bridge comprised entirely of one or more types of dental composite material may be constructed directly, i.e., without laboratory assistance, either in situ or ex situ, without reduction of the abutment teeth. The direct composite bridg... | 10/09/2001 |
| 6299447 | Dental attachment assembly A dental attachment assembly has an abutment member for attachment to a tooth root, implant, or adjacent tooth, and a retention member for engagement in a dental appliance. The retention and abutment members are designed for releasable snap engagement to ... | 10/09/2001 |
| 6250925 | Dental prosthesis with multi-section infrastructure and method for replacement of teeth An improved dental prosthesis for replacing a tooth or teeth in an edentulous space in a patient's mouth either adjacent to existing teeth or between a first tooth anterior of and a second tooth posterior of the edentulous space which tooth or teeth are p... | 06/26/2001 |
| 6224374 | Fixed, splinted and removable prosthesis attachment A dental device for use as a fixed bridge, splint or removable prosthesis attachment. The device includes a bench framework adapted to be bonded to an internal axial surface of a tooth cavity preparation. The device may include one or more pontics for sec... | 05/01/2001 |
| 6056546 | Claspless partials Claspless removable partial dentures have a metal bar that connects to a metal framework to which is attached metal occlusal rests. The metal occlusal rests fit into prepared slots in the natural teeth on either side of the edentulous area. This metal fra... | 05/02/2000 |
| 6050820 | Intracoronally supported pontic The pontic support structure comprises a matrix folded to form a horizontal top portion and a vertical bottom portion. Opposed wings extend laterally on either side of the horizontal top portion. Opposed wings extend laterally on either side of the vertic... | 04/18/2000 |
| 6030219 | Dental attachment assembly A dental attachment assembly has an abutment member for attachment to a tooth root, implant, or adjacent tooth, and a male member for hinged engagement in a cap secured in a dental appliance. The male and abutment members are designed for releasable snap ... | 02/29/2000 |
| 5934907 | Dental prosthesis with multi-section infrastructure and method for replacement of teeth An improved dental prosthesis for replacing a tooth or teeth in an edentulous space in a patient's mouth either adjacent to existing teeth or between a first tooth anterior of and a second tooth posterior of the edentulous space which tooth or teeth are p... | 08/10/1999 |
| 5888068 | Intracoronally supported pontic The invention is directed to an intracoronally supported pontic which is uniquely anchored between two existing teeth by means of two wings which engage within slots or indentations prepared in the two existing teeth. The engaging wings are disposed on ei... | 03/30/1999 |
| 5888218 | Implant micro seal An osteo-integrated implant utilizes a metal seal formed on the outer diameter of the implant components spaced axially from the annular seat or junction of the components. The sealing surface of one component is machined on the internal diameter of a cou... | 03/30/1999 |
| 5803737 | Prefabricated temporary bridge system and method of making A system for constructing temporary bridges to fill edentulous spaces found between a pair of abutment teeth in a human mouth is disclosed. The system contemplates selecting an appropriate prefabricated temporary bridge mold from a selection of pre-sized ... | 09/08/1998 |
| 5791900 | Temporary tooth construction A temporary tooth construction 10 for attachment to portions of permanent teeth 101, 102 on opposite sides of a gap formed by at least one missing tooth. The temporary tooth construction 10 includes a tooth members 20 provided with a pair of anchor member... | 08/11/1998 |
| 5772438 | Method for installing a permanent bridge between a pair of abutment teeth A method for installing a permanent bridge over a gincival crest between a pair of abutment teeth posterior to the canines, comprising a) providing a rigid infrastructure having two wings, the infrastructure being sized to extend in between and inside the... | 06/30/1998 |
| 5735688 | Attachments for a mandibular distraction device for use in mandibular distraction osteogenesis Attachment are used with a mandibular distraction device for use in distracting the mandible subsequent to corticotomy thereof. First and second sets of crowns of the device are adapted to be attached to the bicuspid and molar teeth of respective opposite... | 04/07/1998 |
| 5678997 | Denture attachment system An attachment system for securing to a mounting bar a denture having a plastic base formed with a groove. The system has a generally C-section plastic rider engaged over the bar, having an outer surface with a predetermined outside cross-wise dimension, a... | 10/21/1997 |
| 5678996 | Precision attachment device for a removable dental prosthesis The present invention is a precision attachment device for securing a removable dental prosthesis in the mouth, comprising a first section operatively arranged to be secured to a fixed tooth, a second section operatively arranged to be secured within the ... | 10/21/1997 |
| 5634792 | Denture repair kit A kit whose contents permit a denture wearer to repair their own dentures. The kit contains replacement teeth, a liquid monomer and a powdered polymer which when added together form a putty-like acrylic, a pipette for dispensing the liquid, a specially de... | 06/03/1997 |
| 5458489 | Tooth replacement assembly, and method A prefabricated tooth replacement assembly includes a cap adapted to be secured upon an abutment, a replacement tooth for occupying a void in the patient's mouth, and an interlock for supporting the replacement tooth from the cap in a selected position of... | 10/17/1995 |
| 5413480 | Overdenture attachment system An overdenture attachment system for selectively attaching a denture element to a post in a tooth or a root canal is provided. The system includes a keeper element which is designed to be permanently affixed to the denture element and a cap element that i... | 05/09/1995 |
| 5284441 | Precision device for attaching removable dental prosthesis Patent of invention of a precision device for attaching removable dental prosthesis, designed for the upper and lower dental arch free ends, consisting of a fixed male member and a removable female member, capable of absorbing, when engaged through an ove... | 02/08/1994 |
| 5242304 | Dental appliance including surface-mounted undercuts and method of manufacture A functional dental appliance system and a method of manufacturing the same. At least one surface mounted undercut is attached to the outer surface of the tooth. The dental appliance is constructed of a semi-rigid material which has a shape generally conf... | 09/07/1993 |
| 5221205 | Bridge with lingual bolt locking attachment Disclosed is a bridge which includes a subframe which is provided with a first engaging device, an overcast which is provided with a second engaging device and a locking element which cooperates with the first and second engaging devices to removably affi... | 06/22/1993 |
| 5221206 | Device for producing quick couplings for dental prostheses Device for producing quick couplings for dental prostheses, of the type which includes at least one substantially spherical male element, which is intended to be monolithically integrated with a fixed part of the prosthesis, and a female element, whose in... | 06/22/1993 |
| 5211561 | Coupling device for dental prothesis A coupling for removable dental protheses comprising a male member one end of which is constituted by a fixing member, whereas the other end has the shape of a male coupling member and a female portion comprising a rigid casing fixed into the prothesis wh... | 05/18/1993 |
| 5209660 | Dental appliance with improved connecting element A dental appliance or prosthesis has its removable member connected to its fixed member by a clamping rib which is engaged in a groove and can have longitudinal wall portions separated from a base by respective slits, bulged outwardly by a cap screw whose... | 05/11/1993 |
| 5171147 | Dental bridge A dental bridge having the general configuration of a tooth or teeth, with projecting lateral arms or wings which are gradually tapering lateral extensions of the bridge itself, conterminous with the bridge and formed of the same material as the bridge. T... | 12/15/1992 |
| 5120222 | Dental attachment structure The present invention is a dental structure for removably mounting a dental appliance, including a partial denture, bridge, or similar dental appliance in an oral cavity. The dental structure includes an improved male member comprising a substantially cup... | 06/09/1992 |
| 5092772 | Dental prostheses and connectors A dental proosthetic construction is releasably attached at opposite ends to abutment teeth (T). At least at one end, the attachment is by means of a connector comprising a pin (4) and socket (6). The socket has an opening (10) onto the space between the ... | 03/03/1992 |
| 5074791 | Method for constructing a dental bridge using a prefabricated pontic A method for constructing a dental bridge using a prefabricated pontic, comprising positioning the pontic between metal retainers placed on a die formed from an impression of the abutment teeth to be restored, with the pontic having an arm with a free end... | 12/24/1991 |