William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7343876 | Collapsible corner animal cage A collapsible corner animal cage is provided. The collapsible cage comprises a first set of side walls fastened together to define the rear corner of the cage; a second set of side walls fastened to the first set of side walls to define the side corners of the cage;... | 03/18/2008 |
| 7343649 | Grease gun handle restrainer A strap having fasteners for securing the handle of a grease gun in the closed position has a first loop for wrapping around the barrel of a grease gun and a second loop for wrapping around the grease gun handle in the flexed position. ... | 03/18/2008 |
| 7326100 | Marble building toy This application discloses a toy construction apparatus that can be used to make posable toy figures. The apparatus includes structural pieces, called “bones,” which can be connected to a plurality of other bones by joints that can be formed by a marble or simil... | 02/05/2008 |
| 7302845 | Method for measurement of gas flow velocity, method for energy conversion using gas flow over solid material, and device therefor The present invention relates to a method for energy conversion by gas flow over solid materials and also to a method for measurement of velocity of a gas flow over solid material such as doped semiconductors, graphite, and the like as a function of the 5 electricit... | 12/04/2007 |
| D554228 | Dragonfly fishing lure | 10/30/2007 |
| 7250265 | Method of detecting and evaluating angiotensinogen receptor-modulating compounds using placental cells Disclosed is a method of screening a substance for angiotensinogen receptor-modulatory activity. The method includes the steps of contacting placental-derived cells with labeled angiotensinogen and a candidate substance; and then determining whether the candidate su... | 07/31/2007 |
| 7205111 | Rapid identification of bacteria from positive blood cultures Disclosed is a method of detecting bacteria in a biological sample, especially a blood sample, without the need for extensive sub-culturing of the sample. Nucleic acid present within the sample is isolated and bacterial DNA specifically amplified using primers that ... | 04/17/2007 |
| 7186102 | Apparatus and method for low-density cellular wood plastic composites A low-pressure CO2 tank or an air compressor with a refrigerated air dryer is attached either at or after the vent zone of a standard twin-screw extruder. During or after extrusion, the gas is dissolved in the wood-plastic melt. The CO2 expands... | 03/06/2007 |
| 7156396 | Collapsible game table A folding game table having a collapsible construction is disclosed. The folding game table has a plurality of table top portions interconnected with at least one hinge and movable between an extended position and a folded position. At least one rail is configured t... | 01/02/2007 |
| D528394 | Wilderness tool | 09/19/2006 |
| 7106045 | Apparatus for a simplified power disturbance indicator gage with learning capability options Disclosed is a simplified electrical power disturbance gage. The gage is capable of measuring high-speed anomalies on power mains. The gage includes elements capable of detecting power line anomalies that effect the operation of electrical devices connected to the p... | 09/12/2006 |
| 7090557 | Ornamental display using wind motion A mobile constructed from a single sheet of material having alternating cut lines and fold lines so that wind striking the mobile causes the intervening panels to undulate. ... | 08/15/2006 |
| 6989022 | Clotting cascade initiating apparatus and methods of use and methods of closing wounds Wound closure methods and apparatus are provided which utilize blood fluid by activating the clotting cascade of the blood fluid outside the body within a substantially enclosed sterile container then introducing the blood fluid to the wound site to complete clottin... | 01/24/2006 |
| 6912940 | Cutting table and clamp for use therewith A clamp is provided that is capable of restraining an item during cutting and rotating the item between cutting a first end of the item and cutting a second end of the item. The clamp includes an upper jaw, a lower jaw, and a backplate that pivotally connects the lo... | 07/05/2005 |
| 6898891 | Multi-purpose fishing tool The present invention provides a multi-purpose tool for use in outdoor activities and, in particular, ice fishing and shore fishing. The tool is particularly useful as a tip-up marker and equipment caddy. The tool also includes a variety of interchangeable tips such... | 05/31/2005 |