Did You Know...
...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!!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 6379147 | Dental impression tray assembly with removable liner A dental impression tray assembly includes an impression tray as well as a liner. The liner is adapted to cover holes in the impression tray in order to prevent leakage of impression material through the holes during a dental procedure. Preferably, the li... | 04/30/2002 |
| 6247925 | Dental-impression tray A tray for taking a dental impression from a jaw having mobile and immobile gum tissues separated at an action line. The tray is formed of a body formed with a U-shaped outer wall having an edge formed as a thickened bead, a U-shaped inner wall spaced inw... | 06/19/2001 |
| 6149426 | Dental impression modeling method and apparatus An apparatus and associated method for accurately producing an accurate impression of a patient's teeth. The apparatus includes an improved impression tray assembly that more accurately models the teeth. The impression tray includes a segment of curable m... | 11/21/2000 |
| 6099305 | Device for the production of a dental working model for preparation of a prosthetic work A device for the production of a dental working model for preparation of a prosthetic work comprises a body member having a blind arcuated cavity bounded by facing inner and outer cavity walls, for receiving semi-liquid model material. The blind end of th... | 08/08/2000 |
| 5772432 | Dental impression tray with improved adhesion to impression material A dental impression tray has a receptacle for receiving a quantity of dental impression material, and the receptacle is coated with an adhesive for enhancing the bond between the impression material and the tray. The adhesive is applied to the tray body a... | 06/30/1998 |
| 5580244 | Method and apparatus for taking dental impressions An improved dental impression tray fabricated with vertical rests that anchor onto predetermined areas of the mouth to allow stabilization of tray while impression material sets. This disclosure also provides for a venting of selected teeth to the outside... | 12/03/1996 |
| 5108286 | Retention means for dental impression trays A dental impression tray is provided with mold compound retention means comprising a multilayer sheet having a thin, central layer of a plastic film, a layer of a selected adhesive applied on each surface of the film respectively, and a peel-away disposab... | 04/28/1992 |
| 4484890 | Impression tray for dental prostheses An impression tray of rigid massive material is disclosed. The tray forms a generally U-shaped channel for impression paste, and it is split along the smooth bottom of the channel into two releasably connectible sections. Paste retention grooves are forme... | 11/27/1984 |
